Nutrition Chapter 10,11,12 – Flashcards

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The foodborne infection that is most commonly a result of eating contaminated eggs or poultry is:
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Salmonellosis
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To reduce your intake of pesticide residues you would:
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trim fat from meat/ or discard the outer layers of cabbage.
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Characteristics of the artificial fat olestra include:
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it passes through the digestive tract unabsorbed; it is fortified with vitamin E; a and b
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Numerous health organizations have concluded that irradiation of food is safe and can improve food safety in the United States and the world.
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True
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What can be said about fresh produce and foodborne illness?
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produce grown close to the ground may be irrigated with contaminated water
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Those individuals purchasing organic foods are urged to:
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wash raw produce vigorously/ or cook the food properly.
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A food manufacturer is packaging a new food product that is susceptible to mold and bacterial growth. The food additive he most likely would use to protect the food is:
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acetic acid
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Results of commercial drying of foods include:
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it eliminates microbial spoilage, it eliminates the water in foods; a and b
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The FDA has identified genetic modification of foods as the area of least concern in our food supply.
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True
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One difference between toxins produced by Staphylococcus aureus and Clostridium botulinum in foods is that:
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Staph toxins are heat stable and survive cooking.
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What is a beneficial reason for purchasing organic fresh fruits and vegetables rather than conventionally grown foods?
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growing methods used down harm the environment
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A person eating in an Asian restaurant has just finished a meal and immediately experiences the symptoms of burning and flushing of the skin and a headache. What ingredient added to the foods may have brought about this reaction?
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monosodium glutamate
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What of the following artificial sweeteners is made from sucrose?
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sucralose
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The potato salad you brought to the picnic potluck in the park has been sitting out for 4 hours during the meal on a hot sunny day. What should you do with the leftover servings once the meal is finished?
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throw away the leftovers because they have been at an unsafe temperature too long
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Which of the following should not be used to thaw frozen meats?
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defrosting at room temperature, defrosting in a bath of warm water; b and c
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The extruding process is based on:
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grinding, temperature; b and c
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Supporters of genetic engineering for foods state the following as a benefit:
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plants and animals can be engineered to contain higher levels of certain vitamins and minerals, plants can be engineered to provide vaccines and immunizations against disease; a and c
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To protect the vitamin content of fruits and vegetables, you would:
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select vine-ripened ones, chill immediately after picking; b and c
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You are selecting salad ingredients for your dinner in a grocery store and see puffy sealed plastic bags containing mixed cut salad vegetables. Should you select this product?
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yes, because modified atmosphere packaging has been used
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One purpose of genetic engineering is to:
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make crops resistant to diseases
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The large ears of sweet corn available today are the result of:
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selective breeding
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Which of the following is(are) the best known and most widely used antimicrobial agents?
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salt, sugar; a and c
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For which of the following additives are only 10 of the original list of 80 still approved for use?
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artificial colors
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Which of the following groups should avoid all uncooked or undercooked eggs?
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the elderly, those who suffer immune dysfunction; a and c
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If you are preparing a potato for dinner and see a player of green just under the skin, you should:
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peel off the green layer and cook the potato
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The difference between foodborne infection and foodborne intoxication is that:
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foodborne intoxication results from chemicals produced by microbes
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Which of the following is the most susceptible to bacterial contamination?
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ground meat
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To minimize the loss of water-soluble vitamins from vegetables you would:
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microwave them, steam them over water: a and c
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The agency charged with the responsibility of deciding what additives shall be in foods is the:
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Food and Drug Administration
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To be sure that your home-canned food does not contain the botulinum toxin you would:
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follow proper canning techniques, boil the canned food for 10 minutes; a and b
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To avoid cross-contamination of foods:
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it is good to practice to keep a separate cutting board just for raw meats.
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What irradiation is used to protect foods from contamination, what happens to the quality of those foods?
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vitamin loss is minimal and comparable to that of other food processing methods
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Which of the following is not used as an antioxidant in foods?
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vitamin A
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Losses of which of the following vitamins are least likely during the canning process?
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vitamin A
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Current evidence indicates that moderate intakes of artificial sweeteners pose no health risks.
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True
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To control the safety of additives in foods the FDA has rules manufacturers most follow, which include:
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submitting proof that a new additive is safe after numerous tests
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Monosodium glutamate:
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is used widely in Asian restaurants, is an example of a flavor enhancer; a and b
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Water-soluble vitamins and minerals are affected by canning.
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True
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The proper way to wash hands when handling foods is to:
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wash hands with soap and warm water for 15 seconds
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Opponents of genetic engineering make the following argument:
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consumers cannot remove GE pesticides that form within the tissue of the plant
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If pesticides have been used on fresh fruits and vegetables, what do you know about the safety of those foods?
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most pesticides can be removed by thoroughly washing the foods
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Organic foods reduce harm to the environment because they are produced by sustainable agriculture methods such as:
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raising animals in natural surroundings with access to the outdoors
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When irradiation is used to protect foods from contamination, what happens to the quality of those foods?
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vitamin loss is mineral and comparable to that of other food processing methods
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Characteristics of foods that have undergone extrusion include:
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they usually have had colors added to them, they have undergone considerable nutrient losses; a and c
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Several hours after eating a chilled three-bean salad containing home-canned green beans, family members have difficulty breathing and swallowing, double vision, and muscle weakness. What should they do?
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go to the hospital immediately because they have botulism
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BHT protects fruits and vegetables from browning caused by exposure to oxygen.
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True
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To avoid poisoning by toxins you would
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consume a variety of foods, eat all foods in moderation; a and c
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Regulations for the production of certified organic foods specify that:
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plant foods must be produced without the use of synthetic fertilizers and pesticides, producers must submit to USDA inspections; a and c
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Frozen foods' nutrient content is similar to that of:
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fresh foods
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Which of the following is (are) not required to bear a label stating that they have been irradiated?
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spices mixed with processed foods
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When comparisons are made between organic, conventional, and genetic engineering methods of growing foods, one of the main differences is that:
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genetic engineering can be used to increase nutrient content
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To prevent foodborne illness you would:
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use a meat thermometer to roast a whole chicken, cook hamburgers to well-done, a and b
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The word organic on the label is no guarantee that a food is:
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completely pesticide-free
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Billy loves to eat raw seafood and does so frequently. As a result, Billy runs the risk of suffering from:
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hepatitis, worms; a and c
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There has been concern for many years about the safety of artificial sweeteners and their use in the diet. How would you respond to someone who asks about this?
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current evidence shows that moderate intakes of artificial sweeteners pose no health risks in adults
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The use of selective breeding in human agriculture:
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can involve analysis of DNA from successful seedlings
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To prevent serious illness from consuming oysters you would:
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eat them fully cooked and not raw
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Which of the following is (are) not intentionally used in or on foods?
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contaminants
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Your family has the tradition of leaving the Thanksgiving turkey on the dinner table for everyone to snack on as they please in the evening after the big mid-day meal has been finished. This year several family members wake up the next day with vomiting, stomach cramps, and diarrhea. Which foodborne contaminant was the most likely culprit?
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Salmonella bacteria
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Nitrites are commonly found in:
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hot dogs, ham; a and b
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Which of the following would be least likely to lose any vitamin C during the freezing process?
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strawberries
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Which of the following synthetic sweeteners should not be given to individuals with phenylketonuria?
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aspartame
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How does modified atmosphere packaging protect foods?
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it excludes oxygen needed by many bacteria
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Which of the following statements about the "Core Four" practices for sanitation is accurate?
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foods should be kept out of the food danger zone of 40°-140°F
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Only _____ synthetic color additives are still approved by the FDA for use in foods.
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10
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The best way to keep chilled foods safe is to:
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refrigerate them immediately after getting home from the grocery store
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Nitrites are added to foods to:
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a and b inhibit rancidity and preserve their color
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To control the safety of additives in foods the FDA has rules manufacturers must follow, which include:
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submitting proof that a new additive is safe after numerous tests
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is planning a trip to Mexico and wants to practice food safety while traveling. You would tell Joe to
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avoid salads
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After cooking, foods should be held at _____° F or higher until served.
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140
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Which of the following would lose the most thiamin?
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canned foods
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Which of the following statements is true concerning the GRAS list?
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a and b It includes a list of additives believed to be safe and It stands for "generally recognized as safe."
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Sulfite additives added during the drying of fruits results in:
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a and c prevention of browning and destruction of thiamin.
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Which of the following foods would you not choose for a picnic?
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mixed salad of chopped ingredients
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A person choosing a food that contains sulfites should not count on that food to provide a share of the daily need for:
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thiamin.
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tolerance limit
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the maximum amount of a residue permitted in a food when a pesticide is used according to label directions
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growth hormone
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a hormone (somatotropin) that promotes growth and that is produced naturally in the pituitary gland of the brain
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botulism
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an often-fatal food poisoning caused by botulinum toxin, a toxin produced by the Clostridium botulinum bacterium that grows without oxygen in non-acidic canned foods
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biotechnology
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the science that manipulates biological systems or organisms to modify their products or components or create new products
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hazard
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a state of danger; used to refer to any circumstance in which harm is possible under normal conditions of use
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bovine somatotropin
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Please select the best answer for each statement. Each answer is to be used only once.
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enterotoxins
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poisons that act upon mucous membranes, such as those of the digestive tract
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food-borne illness
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illness transmitted to human beings through food and water; caused by a poisonous substance (food intoxication) or an infectious agent (food borne infection). Also called food poisoning.
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bioaccumulation
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the accumulation of a contaminant in the tissues of living things at a higher and higher concentration along the food chain
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heavy metal
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any of a number of mineral ions such as mercury and lead; so called because they are of relatively high atomic weight. Many heavy metals are poisonous.
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hazard analysis critical control point
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a systematic plan to identify and correct potential microbial hazards in the manufacturing, distribution, and commercial use of food products.
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milk
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Store in a cardboard or opaque plastic container to protect riboflavin
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apples
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Chill immediatly after picking and keep cold unitl used
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cut orange
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Cover with airtight wrapper and store in refrigerator
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potatoes
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Cut after washing; add to water that is vigorously boiling
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artificial flavor
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The food additive MSG is an example of
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antioxidant
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The food additive sulfite is an example of
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artificial color
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The food additive tartrazine is an example of
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The food additive iodine is an example of:
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nutrient additive
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neurotoxins
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poisons that act upon the cells of the nervous system
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organic halogen
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an organic compound containing one or more atoms of a halogen-fluorine, chlorine, iodine, or bromine.
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pasteurization
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the treatment of milk with heat sufficient to kill certain germs.
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human somatotropin
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human growth hormone.
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Food additives used in the U.S. are strictly controlled and pose little cause for concern.
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True
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All varieties of sushi are made from raw fish.
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False
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Incidental food additives sometimes find their way into foods, and adverse effects are common.
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False
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Properly irradiated food does not become radioactive.
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True
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Which of the following hazards in our food supply is of most concern according to the Food and Drug Administration?
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microbial foodborne illness
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Which of the following causes cancer in animals?
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nitrosamines
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Which of the following is most susceptible to bacterial contamination?
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ground meat
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Which of the following terms on a food label does not have a specific meaning defined by labeling regulations?
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free-range
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A deficiency or toxicity of even a single nutrient can weaken the body's defenses considerably.
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True
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CVD is a man's disease.
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False
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Thirty minutes of light, balanced exercise, performed at intervals throughout the day, can improve the odds against heart disease.
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True
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Excess calories from carbohydrates, protein, and fat all raise cancer rates.
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True
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The risk of cancer rises with BMI
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True
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Today's meals are most often influenced by:
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which foods are readily available., which foods are easiest to prepare. (a,b)
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For someone trying to make healthier choices when purchasing pre-packaged convenience foods to use at home, which would be the best choice?
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bagged cut salad greens
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Recommendations to help a family on a minimum wage income purchase low-cost, nutritious food include:
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watching weekly grocery ads for fruit and vegetable specials.
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Which of the following must be given careful attention when feeding the person with AIDS?
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food safety
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Effects of protein-energy malnutrition on the body's defense system include:
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the skin becomes thinner with less connective tissue / or antibody secretions and immune cell number are reduced.
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According to the DRI Committee, the percentage of calories from fat in the diet should be no more than _____ percent.
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35
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Which of the following raises HDL concentration?
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moderate alcohol intake , physical intake (a,c)
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All of the following dietary factors are protective against CVD except
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insoluble fiber
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Resting blood pressure should ideally be _____ or lower.
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120 over 80
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Which of the following is a risk factor for the development of hypertension?
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age, genes (a,c)
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Salt-sensitive individuals are likely to include:
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African Americans., those who have diabetes.
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Which of the following nutrients plays a special role with respect to cervical and colon cancer?
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folate
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According to the Dietary Guidelines for Americans, saturated fat in the diet should account for no more than _____ percent of calories.
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7
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A man with pre-hypertension is trying to keep his blood pressure from going higher. Which of the following dietary changes might help?
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remove the salt shaker from the table
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Infectious Diseases
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caused by bacteria, viruses, parasites, et al microrganisims transmission thru water, food, or vector organisim
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How does nutrition influence disease prevention
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only strengthens or weakens body defenses against disease does not directly prevent disease
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Which type of disease is more prevalent in the US and Canada? Chronic or Infectious
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Chronic
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Another name for chronic disease
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lifestyle/ degenerative disease disease of old age
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How does a nurished immune system provide the best protection to the body
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lack or excess of nutrients are associated with low disease resistance Immune tissue first impaired when a nutrient is lacking or at toxic levels Some deicencies cause harm to immunity quicker
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What are factors that determine how fast nutrient deficiencies can harm immunity
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age the size of the deficency if other nutrients can do its work
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Toxicity or defciencies of what nutrients impair immunity
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iron and zinc
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How does protein-energy malnutrition (PEM) effect the skin
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Skin thins, with less connective tissue to serve as a barrier for protection of underlying tissues sensitivity reaction to antigens is delayed
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How does protein-energy malnutrition effect the digestive tract and body lingings
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amounts of antibody secreations and immune cells are reduced
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How does protein-energy malnutrion effect lymph tissues
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immune system organs reduced in size cells of immune defense are depleted
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In general, how does protein-energy maluntrition effect the body
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invader kill time is prolonged circulating immune cells reduced immune system impaired
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Malnutrition can be a result of what two causes
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lack of food disease and its treatment
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risk factors
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factor known to be related to (or correlated with) disease but not proved to be its cause
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What are the four disease risk factors categories
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eniromental genetics behavioral social factors
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Many experts believe that diet accounts for this precentage of all coronary heart disease
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33%
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What are two powerful predictors of disease
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family medical history and lab tests
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Cardiovascular disease (CVD)
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general term for all diseases of heart and blood vessels It's main cause is atherosclerosis
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Coronary heart disease (CHD)
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the arteries that carry blood to heart become blocked
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Atherosclerosis
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most common form of CVD Plaque build up along inner walls of the arteries
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plaques
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lumps of lipid mixed with smooth muscle cells and calcium that form in artery walls in atherosclerosis
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One of the least regenerative organs in the body
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heart
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Heart attack signs that are exclusive to women
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nausea and/ or vomiting neck, shoulder, or ab pain unusual fatigue and/or weakness
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Where in the arteries is plaque most prone to develop
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branch points
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By what age do most people have well-developed plaques in their arteries?
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30 years
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In atherosclerosis, what can happen to the artery walls after a rapid increase in blood pressure.
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plaque rupture
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thrombus
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stationary blood clot
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thrombosis
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stationary blood clot that has grown enough to close off a blood vessel
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embolus
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a blood clot that has broken loose from the artery wall and travels thru the blood vessels
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embolism
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a floating blood clot (embolus) that causes sudden closure of a blood vessel
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How is blood pressure effeted by hardened and narrowed arteries formed from plaques
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blood pressure rises
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aneurysm
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where the artery wall has weakend and balloned out from high blood pressure caused by atherosclerosis
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What are possible known risk factors for CVD
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age gender genes cigarette smokin certain diseases physical inactivity
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How is a person's age a risk factor for CVD
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its association with progression of atherosclerosis as people age
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At what age does the risk for CVD raise significantly for men?
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45
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At what age does the risk factor for CVD raise significantly for women
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55
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In terms of blood lipid profile, what is the ratio of HDL to LDL that LOWERS risk of CVD
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high HDL (> or equal to 160mg/l) low LDL (< 100 mg/l)
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In terms of blood lipid profile, what is the ratio of HDL to LDL that ELEVATES risk of CVD
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low HDL ( or equal to 160 mg/l)
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What percentage of cancers are influenced by diet
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estimated 30-40%
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How do constituents of the diet relate to cancer
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they may promote, protect, or cause cancer
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The characteristics that enable the body to perform physical activity more broadly, ability to meet routine physical demands with enough reserve energy to rise to a physical challenge or the body's ability to withstand stress of all kinds
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Fitness
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physically inactive (literally sitting down)
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sedentary
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bodily movement produced by muscle contractions that substantially increase energy expenditure
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physical activity
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planned, structured, and repetitive body movements that promote or maintain physical fitness
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exercise
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activity in which the body's large muscles move in a rhythmic manner for a sustained period of time. Aerobic activity is also called endurance activity, improves cardiorespiratory fitness (brisk walking)
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aerobic physical activity
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physical activity that requires some increase in breathing and or heat rate that expends 3.5 to 7 kcalories per minute. walking at a speed of 3-4.5 mph
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moderate intensity physical activity
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physical activity that requires a large increase in breathing and or heart rate and expends more than 7kcal per minute >4.5mph
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Vigorous intensity physical activity
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refers to the proportions of muscle, bone, fat and other tissue that make up a persons total body weight
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Body composition
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the capacity of the joints to move through a full range of motion, the ability to bend and recover without injury
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flexibility
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physical effect of training; improved flexibility, strength, and endurance
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conditioning
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practicing activity regularly which leads to condition
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training
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training principle that a body system in order to improve must be worked at frequencies, durations, or intensities that gradually increase physical demands
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progressive overload principle
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number of occurrences per unit of time (how many times a week, 7X)
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frequency
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the degree of exertion while exercising
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intensity
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length of time working out
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duration
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growing larger; with regard to muscles, an increase in size and strength in response to use
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hypertrophy
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becoming smaller; with regard to muscles, a decrease in size and strength because of disuse, undernutrition or wasting diseases
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atrophy
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5-10minutes of light activity such as easy jogging
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warming up
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5-10minutes of light activity such as walking after an intense workout
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cool down
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The maximum rate of oxygen consumption by an individual (measured at sea level)
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VO2 Max
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improvements in heart and lung function and increases blood volume, brought about by aerobic training
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cardiorespiratory conditioning
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volume of blood discharged by the heart each minute
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cardiac output
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the product of force generation and movement velocity; the speed which a given amount of exertion is completed
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muscle power
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The use of free weights or weight machines to provide resistance for developing muscle strength, power, endurance (weight training)
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resistance training
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high energy compound in muscle cells that acts as a reservoir of energy that can maintain a steady supply of ATP, also provides energy for short bursts of activity
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Creatine phosphate
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product of anerboic glycolysis
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Lactate
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regimen of moderate exercise followed by the consumption of a high carbohydrate diet that enables muscles to store glycogen beyond their normal capacities
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carbohydrate loading
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structures within a cell responsible for producing ATP
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Mitochondria
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a transient condition of low hemoglobin in the blood, associated with the early stages of sports training or other strenuous activity
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Sports anemia
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an above normal body temperature
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hyperthermia
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dangerous accumulation of body heat with accompanying loss of body fluid
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heat stroke
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The amount of weight lost plus fluid consumed during exercise per hour
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HOURLY SWEAT RATE
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A decreased concentration of sodium in the blood.
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hyponatremia
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compounds that supply glucose, not as single molecules, but linked in chains somewhat like starch.
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glucose polymers
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water that is fortified with ingredients such as vitamins, minerals, protein, oxygen, or herbs (vitamin water, propel)
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Enhanced water
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Tobacco use introduces oxidants into the body that can do potential harm to the body tissues. What antioxidant plays an important role in protecting sensitive blood constituents from being damaged, and so is needed in much higher amounts in people exposed to tobacco products and smoke?
answer
vitamin C
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When determining the benefits or risks of taking vitamin supplements to reduce risk of chronic diseases, which of the following studies can you rely on to help make your decision?
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smokers taking beta-carotene supplements had an increase in lung cancer
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People whose diets are rich in vegetables and fruits have low rates of:
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cancer
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Vegetarians have significantly higher rates of hypertension than the general population.
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False
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The genetic coding or expression that determines our DNA messaging for cells is:
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available in all cells but is idle in some cells and active in others.
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A young man has said to you that he is eating much more protein in his diet than the recommendation but he feels he needs the extra amount just in case he wants to build more muscle mass in the near future. How would you respond to him?
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if he has excess calories in his diet, he may gain fat weight from converted protein
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Poorly-planned vegetarian diets typically lack all of the following except:
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folate
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What is the DRI for protein for a 40-year-old male who is 6'4" tall and weighs 180 pounds?
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65 grams
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A 135-pound woman needs how much protein?
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49 grams/day
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In times of energy shortage from carbohydrates or fats in foods, the body uses protein in what way?
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it removes the nitrogen portion and burns the remaining fragments for energy
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A child suffering from protein deficiency has edema. This is an example of protein's role in:
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maintaining fluid and electrolyte balance.
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The DRI for protein for healthy adults is _____ gram(s) per kilogram of body weight.
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0.8
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Which of the following statements is/are true?
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Athletes need slightly more protein than other healthy adults.
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An athlete consumes large amounts of meat in an effort to build extra muscle tissue. This practice does not work because:
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a and c
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Why should eggs be cooked, rather than eaten raw?
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a and c
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The DRI for protein depends on:
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body size
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Of the following foods, which likely contains the most easily digestible protein?
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tuna
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A young man who is a sedentary college student needs how much protein if he weighs 175 pounds?
answer
64 grams/day
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Thirty minutes of brisk walking on at least 5 days a week can improve the odds against heart disease.
answer
True
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Dietary supplements can trigger extra immune power to fend off dangerous infections.
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False
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Metabolic syndrome with its cluster of factors raises the risk of CVD.
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True
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Obesity is a risk for certain cancers such as colon, breast, endometrial, pancreas, and kidney cancer.
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True
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Chronic diseases are the only type of diseases that afflict people in developed countries.
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False
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Degenerative diseases are often referred to as chronic diseases.
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True
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Constituents in foods may be cancer causing, cancer promoting, or protective against cancer.
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True
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Health care providers are now able to tailor a person's treatment to prevent or minimize disease based on their identified genetic profile.
answer
True
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All of the following are actions on the cell in formation of cancer except:
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all carcinogens damage or change the cell's genetic material to cause cancer. or
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To help prevent hypertension Americans should limit their sodium intake to _____ mg per day.
answer
2300
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What is the role of plaque formation in the arteries during heart disease development?
answer
it can narrow passages in arteries and reduce blood flow to the heart
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is a 54-year-old male who is 5' 6" tall, weighs 165 pounds, and has hypertension. The single most effective dietary measure Jeff can take is to:
answer
reduce his weight
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A 58-year-old woman with hypertension and elevated LDL blood levels is complaining that she suddenly is feeling very tired, has shortness of breath and nausea, and has neck and shoulder pain. What would you advise her to do?
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go with you to the emergency room because she may be having a heart attack
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At what weight can a 165-lb. woman with hypertension who plans to lose weight first expect to see a significantly lower blood pressure value?
answer
155 pounds
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A man is at risk of developing colon cancer because his grandfather and father died of it. Adding which of the following foods to his diet might reduce his risk?
answer
steamed broccoli
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To minimize risks of CVD you would:
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choose more fruits and whole grains. or consume 1 or 2 servings of fatty fish each week or a and c
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Alcohol alone is associated with cancers of the:
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a and c mouth; breast
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Your friend's parents both have heart disease. She is considering having genetic testing done so she can see what changes she might be able to make to reduce her risk of developing it as well. What would you tell her?
answer
being forewarned will help her to make lifestyle changes to reduce her risk
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In dietary recommendations to decrease the risk of CVD, trans-fatty acids are classified with _____ fat.
answer
saturated
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Which of the following nutrients plays a special role with respect to esophageal and colon cancer?
answer
folate
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The metabolic syndrome greatly increases a person's risk of developing:
answer
CVD
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Your uncle is considering taking an herbal medicine to control his hypertension after seeing an add for a product on the Internet. What information would you give him?
answer
check to see if the herbs in the product have interactions with any drugs he is taking
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A woman frequently has a dinner meal of grilled steak, baked potato with margarine, green peas, and a white dinner roll. Which food should be eaten less often to reduce her risk of breast cancer?
answer
grilled steak
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The U.S. "Fruit and Veggies: More Matters" program encourages people to:
answer
b and c consume enough fruits & vegetables
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A main difference between a person contracting an infectious disease or a chronic disease is:
answer
some infectious diseases can be cured with medications but chronic diseases cannot.
question
A college student who is on a high-protein diet for weight loss that restricts fruits and vegetables has just gotten a viral infection in her intestines that has made her ill. What might have made her more susceptible than her roommate who is eating regular meals in the cafeteria?
answer
vitamin C deficiency from no fruits and vegetables has affected white blood cell protection
question
An atherogenic diet is characterized as one that is:
answer
high in saturated fats / high in trans fats.
question
When trying to reduce the risk of heart disease, the most important risk factor to modify first is:
answer
high LDL cholesterol because of its role in plaque formation.
question
All of the following are risk factors for CVD except:
answer
diastolic blood pressure of 80.
question
Which of the following individuals is at highest risk for developing hypertension?
answer
Jack, a 40-year-old African American male whose parents had hypertension
question
A 45-year-old man who is overweight and has several family members with heart disease is concerned about developing it. Which risk factor does he have the ability to improve or change?
answer
weight
question
You are interested in controlling your risk of developing CVD. Which of the following would you do?
answer
a and b consume high levels of complex carbohydrates and fiber; substitute fish for red meat twice a week
question
In general, studies of populations have suggested that low cancer rates correlate with:
answer
a and b high vegetable & whole grain intakes
question
Examples of cruciferous vegetables include:
answer
a and b rutabaga; bok choy
question
Dietary guidelines for cancer prevention include:
answer
a and c controlling energy intake.; increasing intake of fruits and vegetables.
question
Which is the best meal to help reduce LDL cholesterol levels in the blood?
answer
grilled salmon, wild rice, steamed broccoli, whole-wheat roll
question
According to recommendations for reducing CVD risk, the percentage of calories from saturated fat in the diet should be no more than _____ percent.
answer
7
question
Heart disease in women is characterized by:
answer
development at a later age than in men.
question
In men, aging becomes a significant risk factor for heart disease at age:
answer
45
question
To help control blood cholesterol you would:
answer
a and b consume oats, barley, and legumes.; limit foods with trans fatty acids.
question
Which of the following would be considered a risk factor for CVD?
answer
LDL 160 mg/dL or higher
question
Which of the following is an example of the effect of certain nutrients or foods on gene expression and disease development?
answer
a and b a phytochemical found in broccoli and broccoli sprouts has been shown to reverse uncontrolled cancer cell division in laboratory studies; supplementation of folate and vitamin B12 during pregnancy has been shown to turn off the "yellow and fat" gene in pups born to laboratory mice
question
To reduce your risks of developing cancer you would:
answer
b and c have a high fruit and vegetable intake.; consume whole grains and other fiber-rich foods.
question
The epigenome on the DNA strand has the responsibility of:
answer
regulating the expression of genes by turning them on or off.
question
Jack's physician has placed him on a diet recommended to control his blood cholesterol. In order to follow this plan Jack would:
answer
a and b consume ≤ 200 mg cholesterol per day.;consume less than 7% of calories as saturated fat
question
Which of the following may offer a protective effect against colon cancer?
answer
calcium
question
Which of the following holds the key to maintaining the best possible immune system support?
answer
adequate nutrition
question
For CVD prevention, trans fat in the diet should account for less than _____ percent of calories.
answer
1
question
Laboratory studies suggest that diets high in _____ seem to promote cancer.
answer
calories
question
You have a friend with AIDS and are trying to support his nutrition status. Which of the following would you do?
answer
cook foods thoroughly and practice cleanliness
question
Which of the following is a major action involving blood pressure levels in the arteries?
answer
when the pressure is at the right level, cells receive nutrients and oxygen and release their wastes
question
Individuals with hypertension being treated with diuretics should consume foods rich in:
answer
potassium
question
Which of the following would be the best way to add more fruits and vegetables to your diet?
answer
keep a bag of baby carrots in the refrigerator for snacking
question
Which of the following would be a good suggestion for making small changes in the type of fat in your diet for better health?
answer
instead of a snack of potato chips and sour cream dip eat baked tortilla chips and salsa
question
The role of inflammation in development of atherosclerosis includes:
answer
white blood cells being sent to the site by the immune system to try to repair the damage.
question
Major actions in the arteries that lead to heart attack and stroke include:
answer
a and b formation of plaques leading to inflammation from a diet high in saturated fat.; response to arterial damage by formation of blood clots that can break loose.
question
To emphasize muscle endurance in weight training, you would combine less resistance (lighter weights) with more repetitions.
answer
true
question
To prevent hyponatremia during prolonged events, athletes should
answer
favor sports drinks over water & eat pretzels in the last half of a long event.
question
What is the intensity level of a physical activity that causes some increase in breathing, is a perceived exertion of 5 or 6, and allows you to have a conversation while doing the activity?
answer
moderate
question
As physical activity continues beyond the first few minutes, which of the following flows into the bloodstream to signal the liver and fat cells to liberate their stored energy nutrients?
answer
epinephrine
question
The most important antioxidant related to physical activity is
answer
vitamin E.
question
A person who continues exercising moderately for longer than _____ minutes begins to use less glucose and more fat for fuel
answer
20
question
Moderate use of caffeine by athletes
answer
may assist performance
question
An endurance athlete can lose _____ of fluid an hour
answer
1.5 quarts
question
The American Dietetic Association recommends _____ grams protein per kilogram of body weight each day for an endurance athlete
answer
1.2 - 1.4
question
Which of the following is an advantage of sports bars for athletes?
answer
They are easy to eat in the hours before competition
question
Which of the following enhances flexibility?
answer
stretching
question
Any meal should be finished at least _____ hours before an athletic competition
answer
3 or 4
question
Sports nutrition experts recommend that endurance athletes consume _____ percent of their energy from fat
answer
20-35
question
Which of the following is not a component of fitness
answer
balance
question
The amount of protein needed for physical activity varies depending on
answer
the amount of training in a particular exercise an athlete has had.
question
One thing to consider when attempting to increase daily physical activity for health is to:
answer
begin with an activity such as brisk walking for moderate intensity.
question
Anaerobic glucose breakdown produces a compound called _____ that accumulates in the tissues and blood
answer
lactate
question
The body's need for _____ far surpasses that for any other nutrient.
answer
water
question
Characteristics of cardiorespiratory endurance include
answer
increased cardiac output and oxygen delivery & reduced blood pressure.
question
Strategies which help endurance athletes maintain their blood glucose concentrations for as long as they can include
answer
eating a high-carbohydrate diet regularly & taking in glucose during endurance activities.
question
Weight training results in all of the following except:
answer
decreased bone density
question
Examples of aerobic physical activity include all of the following except:
answer
using weight machines
question
The role of lactate in enhancing muscle gain is to:
answer
stimulate muscle growth from resistance exercise.
question
Active people can have resting pulse rates of _____ beats per minute or lower.
answer
50
question
To consume an adequate amount of B vitamins, magnesium, and chromium an athlete should eat
answer
whole grains
question
During exercise the optimal beverage for replacing fluids is
answer
cool water.
question
Which of the following are most prone to iron deficiency?
answer
female athletes & endurance athletes
question
Progressive weight training is not associated with:
answer
reduced lean body tissue.
question
Which of the following factors does not influence how much glucose a person uses during physical activity?
answer
age of the person exercising
question
Active people do not need extra fluid in cold weather
answer
false
question
A weight lifter is taking creatine supplements to increase the power in his muscles. What benefit might he be receiving from the supplement?
answer
the supplement might result in weight gain
question
Which of the following athletes would use the least protein for fuel during exercise?
answer
Gary, who consumes a carbohydrate-rich diet
question
The best action to take to decrease your risk of cancer is to:
answer
eat a wide variety of vegetables and fruits in generous quantities every day.
question
Most athletes probably need somewhat more protein than do sedentary people.
answer
true
question
People who regularly engage in physical activity live longer on average than those who are physically inactive.
answer
true
question
Iron-deficiency anemia impairs physical performance because iron helps deliver the muscles' oxygen.
answer
true
question
Sports anemia
answer
is a normal adaptation to endurance training & is temporary
question
What would you tell a female long distance runner who is considering whether or not to begin taking an iron supplement?
answer
she needs to have medical testing of her blood iron values first to see if she needs it
question
A high school football player is eating enough protein foods in his diet to provide him with 2.5 grams per kg of his body weight. What type of benefit will he get from his high protein intake?
answer
this exceeds the recommendation for his sport so he should consider trading carbohydrate for some of the protein
question
A competitive world-class skier needs advice on fluid intake during training, competition, and recovery. What should be recommended?
answer
she should drink fluids with carbohydrate added to replenish glycogen stores
question
Your friend participates in strenuous world-class competition that lasts for four hours or more. Which of the following would you recommend to your friend?
answer
Suggest that he consume sports drinks and pretzels
question
Calculate the protein needed for a male runner weighing 152 lb who is training for an upcoming competition. He participates in sprints and hurdling races.
answer
83-117
question
An athlete takes vitamin and mineral supplements prior to competition because he believes they can enhance performance. How would you respond to this practice?
answer
The practice does not improve performance because there is not enough time for them to be combined with other appropriate parts so they can do their work.
question
Which of the following should not be used by athletes?
answer
carbonated beverages & alcohol
question
The term ergogenic
answer
implies that the product has special work-enhancing powers & is associated with supplements claimed to benefit athletes.
question
The first symptom of dehydration (besides thirst) is
answer
fatigue.
question
Which statement about the best way to schedule daily physical activity is accurate?
answer
moderate-intensity activity can be divided into smaller sessions throughout the day
question
A benefit of cardiorespiratory endurance training is that
answer
the heart muscle grows larger and stronger.
question
A benefit of resistance training is that
answer
high resistance and few repetitions will build strength.
question
Calculate how much carbohydrate an athlete who is in training for a marathon should eat within two hours after his daily workout in order to enhance his body's storage of glycogen if he weighs 175 pounds. Answer
answer
88-123 grams
question
Which of the following is a recommendation in the Physical Activity Guidelines for Americans for weekly physical activity?
answer
perform muscle-strengthening activities of moderate to high intensity 2 or more days a week
question
How can endurance athletes best postpone fatigue during their activity?
answer
eat glucose periodically during the event
question
The advantage for athletes of using sport drinks for fluid replacement is that
answer
they have a pleasant taste which encourages consumption.
question
A 70-year-old woman wants to begin a weight training program. What advice would you give her?
answer
it would be a good way to improve her bone density
question
A varsity sprinter is considering taking caffeine pills before his competition to help his performance. What information would you give him?
answer
he needs to be aware that sport governing bodies prohibit high doses of caffeine
question
The health benefits of being physically active include all of the following except
answer
reducing the amount of sleep needed each day
question
In the early minutes of an activity, _____ provides the majority of energy the muscles use to go into action
answer
muscle glycogen
question
The 2008 Physical Activity Guidelines for Americans recommend
answer
accumulating activities in weekly totals of at least 10-minute sessions.
question
Glycogen depletion usually occurs after about _____ hrs of vigorous activity / exercise.
answer
2
question
Which of the following nutrients is important for athletes because it is needed for the formation of collagen
answer
vitamin C
question
Researchers measure cardiovascular fitness with VO2 max, which will:
answer
increase as fitness improves and blood is pumped more efficiently.
question
A female athlete weighs 120 pounds before a race and 115 pounds after the race. How much fluid should she consume?
answer
10 cups
question
What is the best way for athletes to ensure they have adequate sodium levels in their bodies?
answer
do not restrict salty foods in the days before competition
question
Protein is needed by the body to support an exercise program because of its role
answer
repairing muscle tissue after exercise.
question
What is recommended for replacing fuels that have been used during exercise?
answer
eat a high-carbohydrate meal within two hours after exercise
question
You have been following a fitness program for several weeks and your resting pulse has gone from 70 to 58. What can you state about your progress?
answer
you are making good progress and should continue so the pulse goes lower
question
Carbonated beverages are not a good choice for meeting an athlete's fluid needs because they
answer
make a person feel full quickly and may limit fluid intake.
question
Athletes will use complete meal replacers to prepare for competition because
answer
they may benefit an athlete with a nervous stomach before an event
question
When designing a fitness routine that is intended to help muscles gain strength and size, what must you consider?
answer
muscles need a day or two of rest to refuel and repair
question
Which of the following would not be appropriate as part of a pregame meal?
answer
high-fiber cereal with low-fat milk
question
Sports drinks offer some advantages over water for athletes who
answer
need to replenish electrolytes.
question
Muscles respond to the overload of exercise by gaining
answer
strength & size
question
Calculate the calories needed from fat each day for a triathlete who requires 4500 calories a day.
answer
900 - 1575
question
Why would you tell someone not to drink alcohol before engaging in an athletic event?
answer
because it is a diuretic & because it impairs temperature regulation
question
How many grams of carbohydrate would an athlete need to consume to ensure full glycogen and other nutrient stores and to meet energy needs if he consumes 2800 calories?
answer
490 grams
question
Recommendations have been established for moderate physical activity because:
answer
physically active people live longer than those who are inactive.
question
Which of the following is the best fluid for an athlete working out in a cold climate?
answer
room temp water
question
An athlete is in the early weeks of an aerobic training program and develops a decrease in hemoglobin concentration. Which of the following is true?
answer
The condition is called sports anemia & It goes away by itself.
question
For athletic performance, the diet should consist of all of the following except
answer
supplements high in protein
question
Which of the following is among the most dangerous and illegal ergogenic practices?
answer
anabolic steroid hormones
question
Calculate the recommended daily protein intake for a female marathon runner weighing 126 pounds.
answer
69 - 80 g
question
Which of the following is characteristic of candy bars and specialty drinks marketed to athletes?
answer
They provide extra food energy & They can be useful as a pregame meal.
question
Which of the following statements regarding carnitine is true?
answer
It is a nonessential nutrient.
question
Muscle growth is stimulated by:
answer
physically demanding activity.
question
Water balance is governed by the__
answer
Kidneys and brain
question
Water intoxication cannot occur because water is so easily excreted by the body
answer
false.
question
Water from public water systems
answer
is disinfected to kill most microorganisms.
question
On average, young men in the United States obtain __percent of their calories from beverages.
answer
22
question
Whether from the tap or from a bottle , all water comes from the sames sources
answer
True
question
To temporarily increase the body' s water content, a person need only
answer
consume extra salt.
question
Vomiting or diarrea
answer
a . causes fluid to be pulled from between the cells in every part of the body. b. causes fluid to leave the cell interiors c. causes kidneys to raise the sodium concentration outside the cells. all of the above....
question
Which two minerals are the major constituents of bone?
answer
phosphorus and calcium.
question
Magnesium
answer
a. assist in the operation of enzymes. b. is needed for the release and use of the energy. c. is critical to normal heart function All of the above..
question
After about 50 years of age, bones begin to lose density
answer
false. after about age 30, the bones begin to lose density
question
The best way to control salt intake is to cut down on processed and fast foods
answer
true.
question
The top food source of zinc include
answer
shellfish.
question
A deficiency of which mineral is leading cause of mental retardation worldwide?
answer
Iodine.
question
Which of these mineral supplements can easily cause accidental poisoning in children?
answer
Iron
question
The most abundant mineral in the body is iron
answer
False. Calcium is the most abundant mineral in the body.
question
The academy of nutrition and Dietetics recommends fluoride- free water for the U.S. population
answer
False. The academy of nutrition and Dietetics among others recommends the consumption of fluoridated water
question
Dairy foods such as butter,cream, and cream cheese are good sources of calcium, whereas vegetables such as broccoli are poor sources.
answer
False. Butter, cream, and cream cheese contain negligible calcium, being, being almost pure fat. some vegetables,such as broccoli, are good sources of available calcium.
question
Children who don't drink milk often have lower bone density than milk-drinkers.
answer
True
question
Trabecular bone readily gives up its minerals whenever blood calcium needs replenishing.
answer
True
question
Too litle ___ in the diet is associated with osteoporosis
answer
Protein
question
All of the following are health risks associated with excessive body fat except____-
answer
low blood lipids.
question
Today, an estimated 68 percent of the adults in the United States are overweight or obese
answer
True
question
Which of the following statements about basal metabolic rate (BMR) is correct?
answer
The more thyroxine produced, the higher the BMR
question
The BMI standar is an excellent tool for evaluating in the athletes and the elderly
answer
False ; The BMI arae unsuitable for use whit athletes and adults over age 65.
question
The termic affect of food plays a major role in energy expenditure
answer
False; The thermic effect of food is believed to have negligible effects on total energy expenditure.
question
Body fat can be assessed by which of the following techniques?
answer
dual energy X- ray absorptiometry
question
BMI is of limited value for
answer
a. athletes b. pregnant and lactating women c. adults older than age 65 All of the above
question
The appetite-stimulating hormone ghrelin is made by the
answer
stomach
question
When the brain receives signals that enough food has been eaten, this is called
answer
satiation
question
According to genomic researchers , a single inherited gene is the probable cause of common obesity
answer
False ; Genomic researchers have identified multiple genes likely to play roles in obesity development but have not so far identified a single genetic cause of common obesity.
question
In many people, any kind of stress can cause overeating and weight gain.
answer
True
question
A built environment can support physical activity with
answer
a. safe biking and walking lanes b. public parks c free exercise facilities all of the above.
question
Which of the following is physical consequence of fasting?
answer
loss of lean body tissues
question
The nervous system cannot use fat as fuel
answer
true
question
A diet too low in carbohydrate brings about responses that are similar to fasting
answer
true
question
Efforts in all of the following realms are necessary for weight change
answer
eating patterns, physical activity, and behavior modification.
question
The number of calories to cut from the diet to produce weight loss should be based on
answer
The person's BMI
question
Most people who successfully maintain weight loss do all of the following except
answer
Obtain at least some guidance from popular diet books
question
Adolescents are likely to grow out early disordered eating behaviors by young adulthood
answer
false ;disordered eating behaviors in early life ser a pattern that likely continues into young adulthood.
question
All of the following are potential benefits of regular physical activity except
answer
lower risk of sickle - cell anemia.
question
The length of time a person must spend exercising in order to meet the physical Activity Guidelines for Americans varies by
answer
exercise intensity
question
Weight-bearing activity that improves muscle strength and endurance has no effect on maintaining bone
answer
False. Weight- bearing exercise that improves muscle strength and endurance also helps maximize and mantain bone mass.
question
To overload a muscle is never productive
answer
False ; Muscle cells and tissues respond to a physical activity overload by altering the structures and metabolic equipment needed to perform the work
question
which of the following provides most of the energy the muscles use in the early minutes of activity?
answer
glycogen
question
Which diet has been show to increase an athlete's endurance?
answer
high- carbohydrate diet
question
A person who exercises moderately for longer than 20 minutes begins to____
answer
uses less glucose and more fat for fuel.
question
Aerobically trained muscles burn fat more readily than untrained muscles.
answer
True
question
Which is required as part of myoglobin?
answer
iron
question
All of the following statements concerning beer are correct except______
answer
beer gets most of its calories from carbohydrates
question
Research does not support the idea that athletes need supplement of vitamins to enhance their performance
answer
True
question
An athlete should drink extra fluidds in the last few days of training before an event in order to ensure proper hydratation
answer
True
question
To prevent both muscle cramps and hyponatremia endurance athletes who compete and sweat heavily for four or more hours need to
answer
remplace sodium during the event
question
athletes should avoid frequent between-meal snacks
answer
false : frequent nutritious between-meal snacks can help to maintain body weight
question
added sugars can be useful in meeting the high carbohydrate needs of ome athletes.
answer
true
question
An athletes pregame meals should be
answer
low fat moderate in protein
question
These foods should form the bulk of the pregame meal
answer
breads,potatoes, pasta and fruit juices
question
Before athetic competitions, a moderate caffeine intake
answer
may enhance performace
question
carnitine supplements
answer
often produce diarrea
question
Bodily movement produced by muscle contractions that substantially increase energy expenditure.
answer
Physical activity
question
sodium is essential
answer
yes ,is essential to muscle contraction and nerve transmission.
question
Aerobic physical Activity
answer
activity in which the body's large muscles move in a rhythmic manner for a sustained period of the time, Aerobic activity improves cardio respiratory fitness brisk waking , running ,swimming and bicycling area examples.
question
Resistance exercise or Resistance train
answer
physical activity that develops muscle strength power, endurance, and mass.Resistance can be provided by free weights, weight machines, other objects or the person's own body weight. Also called weight training or muscular strength exercises
question
Hypertrophy
answer
an increase in size ( for example of a muscle) in response to use
question
Atrophy
answer
an decrease in size (for example of a muscle) because of disease
question
factor that affect the BMR Age
answer
the BMR is higher in youth; as lean body mass declines with age, the BMR slows.Physical activity may prevent some of this decline
question
Height
answer
tall people have a larger surface area , so higher BMRs
question
growth
answer
children and pregnant women have higher BMRs
question
Body composition
answer
the more lean tissue the higher the BMR a typical man has greater lean body mass than a typical woman,making his BMR higher
question
Fever
answer
stress hormones raise the BMR
question
Environmental temperature
answer
Adjusting to either hot or cold raises the BMR.
question
All of the following are examples of how diseases might worsen malnutrition, except
answer
disease decreases nutrient excretion.
question
A chronic state of inflammation can be harmful to the tissues.
answer
true
question
A healthy digestive system defends against invading microbes because
answer
its linings are heavily laced with immune tissues.
question
Chronic diseases have distinct causes , known as risk factors
answer
false : chronic diseases have risk factors that show correlations with disease development but are not distinct causes.
question
which of the following is a risk factor for cardiovascular disease?
answer
Diabetes
question
Atherosclerosis is simply the accumulation of lipids within the artery wall.
answer
false :Atherosclerosis is an accumulation of lipids whitin the artery wall, but it also involves a complex response of the artery to tissue damage and inflammation
question
An " atherogenic diet" is high in all of the following except___.
answer
fiber
question
Men suffer more often from heart attacks than women do, making CVD a man's disease.
answer
false: Men do have more heart attacks than women, but CVD kills more women than any other cause of death
question
smoking powerfully raises the risk for CVD in men and women in all of the following ways,except
answer
decreasing the heart's workload.
question
which of the following minerals may help to regulated blood pressure?
answer
calcium, magnesium,potassium. all of the above
question
The most important step that a person can take to protect against hypertension is to be tested for it
answer
True
question
Hypertension is more severe and occurs earlier in life among people of European or Asian descent than among African Americans.
answer
False: the prevalence of high blood pressure in African Americans is among the highest in the world
question
for the great majority of cancers,lifestyle factors and environmental exposures are the major risk factors.
answer
True
question
which of the following have been associated with an increase in cancer risk?
answer
alcohol intake,high intakes of red meat,high intakes of processed meats.... all of the above.
question
when calorie intakes rise, cancer rates also increase
answer
True
question
Sufficient intakes of calcium-rich foods may increase the risk of colon cancer.
answer
false : sufficient intakes of calcium- rich foods may help to prevent colon cancer.
question
the DASH diet is designed for athletes who complete in sprinting events
answer
False; the DASH diet is designed for helping people with hypertension to control the disease.
question
the DASH diet is characterized by increased intakes of
answer
fruits , vegetables and whole grains.
question
Currently,for the best chance of consuming adequate nutrients and staying healthy, people should obtain an evaluation of their genetic profile
answer
false ; currently, for best chance of consuming adecuate nutrients and staving healthy,people should eat a well- planned diet of whole foods.
question
Microorganisms can cause foodborne illness either by infection or by intoxication.
answer
True
question
Some microorganisms produce illness-causing
answer
neurotoxins and enterotoxins
question
To prevent foodborne illness, the refrigerators's temperature should be less than.
answer
40 degrees
question
which of the following may be contracted from fresh raw or undercooked seafood?
answer
Hepatitis,worms and flukes,viral intestinal disordes, all of the above
question
which of the following organisms can cause hemolytic-uremic syndrome?
answer
Escherichia coli.
question
the threat of foodborne illness from meats or seafood is far greater than that from produce.
answer
false ; today ,the chance of getting a foodborne ilness from eating produce is similar to the chance of becoming ill from eating meat,eggs, and seafood.
question
Infants under one year of age should never be fed honey because it can contain spores of clostridium botulinum
answer
True
question
which of the following is correct concerning fruits that have been irradiated ?
answer
They decay and ripen more slowly.
question
Irradiation can
answer
Sterilize spices
question
Food packaging can contribute to food safety
answer
True
question
It is possible to eliminate all toxins from your diet by eating only natural foods
answer
False : Nature has provide many plants used for food with natural poisons to fend off diseases,insects, and others predators
question
Pregnant women are advised not to eat certain species if fish because the FDA and the EPA have detected unacceptably high lead levels in them
answer
False ; the EPA and FDA warn of unacceptably high methylmercury levels in ocean fish and other seafood and advise all pregnant women not to eat certain types of fish.
question
Compared with conventional grow produce,organic produce is often
answer
a)lower in pesticides, B) higher in phytochemicals. both a and b
question
Evidence does not suggest that conventional foods pose health risks or that using organic products reduce risks or that using organic products reduces risks.
answer
true
question
incidental food additives
answer
are really contaminants
question
food processing can confer a nutritional advantage by
answer
reducing the costs of nutritious foods.
question
selective breeding
answer
has been used for thousands of years
question
A genetically engineered rice variety in existence today supplies sufficient beta- carotene to fight vitamin A deficiency and childhood blindness worldwide.
answer
TRUE
question
A pregnant woman needs an extra 450 calories above the allowance for nonpregnant women during which trimester(s)?
answer
Third
question
A major reason why a woman's nutrition before pregnancy is crucial is that it determines whether her uterus will support the growth of normal placenta.
answer
True
question
A deficiency of which nutrient during pregnancy appears to be related to an increased risk of neural tube defects in newborns?
answer
Folate.
question
which of the following preventative measures should a pregnant woman take to avoid contracting listeriosis?
answer
a) avoid feta cheese c) thoroughly heat hot dogs a an c
question
Fetal alcohol syndrome ( FAS) is one of the leading known preventable causes of mental retardation in the world
answer
True
question
All of these characterize the damage done by alcohol during pregnancy, except
answer
stimulates maternal appetite and therefore increases fetal nutrition.
question
The American Academy of Pediatrics urges all women to drink only moderately during pregnancy
answer
False ; The American Academy of Pediatrics urges all women to stop drinking as soon as they plan to become pregnant,and to abstain throughout the pregnancy
question
Without proper management ,type 1 or type 2 diabetes during pregnancy can cause all except
answer
severe nausea.
question
when women in develop countries die of pregnancy complications,the causes is often eclampsia.
answer
True
question
To support lactation, a breastfeeding woman needs more if the following
answer
fluid and energy
question
Maternal dietary calcium intakes has noeffect on the calcium content of breast milk
answer
True
question
Lactating women who smoke tobacco
answer
Transfer nicotine and other chemicals to their infants
question
Which of the following foods poses a choking hazard to infants and small children?
answer
Marshmallows and hot dog slices
question
A sure way to get to sleep throught the night is to feed solid foods as soon as the baby can swallow them
answer
False : there is no proof for the theory that "stuffing the baby" at bedtime will promote sleeping thought the night
question
Fostering a sense of autonomy in a one -year old includes allowing the child to explore and experiment with her food
answer
True
question
In light of the developmental needs of one-year olds, parents should allow such behaviors as standing at the table or throwing food.
answer
False : in light of the developmental needs of one year olds, parents should discourage unacceptable behaviors,such as standing at the table or throwing food.
question
To treat obesity in children, a first goal is to
answer
quickly achieve their ideal weight.
question
The pregnant woman's body helps to conserve iron by
answer
increasing iron absorption
question
Low birth weigh ( LBW)
answer
a birthweight of less than 5.5 pounds used as predictor of probable health problems in the newborn.
question
Neural tube defect ( NTD)
answer
a group of nervous system abnormalities caused by interruption of the normal early development of the neural tube.
question
Special supplemental Nutrition program for Women Infants and Children (WIC)
answer
a USDA program offering low-income pregnant and lactanting women and those with infants or preschool children coupons redeemable for specific foods that supply the nutrients deemed most necessary for growth and development.
question
Fetal Alcohol Sindrom (FAS)
answer
the cluster of symptoms including brain damage growth retardation,mental retardation and facial abnormalities seen in an infant or child whose mother consumed alcohol during her pregnancy.
question
Gestational Diabetes (GDM)
answer
abnormal glucose tolerance appearing during pregnancy.
question
3 hazards to food safety
answer
Biological Physical Chemical
question
three requirements of disease causing bacteria
answer
1.- Warmth 2.-Moisture 3.- nutrients
question
4 Biological hazards
answer
1.- bacterial 2.-viral 3.-parasitic 4.- fungal
question
Temperature danger zone is
answer
40- 140 degrees fahrenheit
question
common foods additives
answer
Sugar and salt
question
Diseases that are caused by bacteria, viruses, parasites, and other microbes and can be transmitted from one person to another through air, water, or food; by contact; or through vector organisms such as mosquitoes and fleas.
answer
infectious diseases
question
diseases characterized by slow progression, long duration, and degeneration of body organs due in part to such personal lifestyle elements as poor food choices, smoking, alcohol use, and lack of physical activity. Also called lifestyle diseases, degenerative diseases, or the diseases of old age.
answer
chronic diseases
question
Factors known to be related to (or correlated with) diseases but not proved to be causal.
answer
risk factors
question
The main cause of cardiovascular disease (CVD) is:
answer
atherosclerosis
question
When the arteries that carry blood to the heart muscle become blocked, the heart suffers damage known as ____.
answer
coronary heart disease (CHD)
question
Mounds of lipid material mixed with smooth muscle cells and calcium that developed in the artery walls in atherosclerosis.
answer
plaques
question
White blood cells are also called ____.
answer
macrophages
question
Part of the body's immune defense against injury, infection, or allergens, marked by increased blood flow, release of chemical toxins, and attraction of white blood cells to the affected area.
answer
inflammation
question
Tiny cell-like fragments in the blood, important in blood clot formation.
answer
platelets
question
A stationary blood clot is called a ____.
answer
thrombus
question
A thrombus that has grown enough to close off a blood vessel.
answer
thrombosis
question
A thrombus that breaks loose and travels through the blood vessels.
answer
embolus
question
An embolus that causes sudden closure of a blood vessel.
answer
embolism
question
The sudden shutting off of the blood flow to the brain by a thrombus, embolism, or the bursting of a vessel.
answer
stroke
question
The ballooning out of an artery wall at a point that is weakened by deterioration.
answer
aneurysm
question
Opposing the clot-forming actions of platelets is one of the ____, an active product of an omega-3 fatty acid in fish oils.
answer
eicosanoids
question
Three of the major risk factors for CVD cannot be modified by lifestyle choices: ___, ___, and ___.
answer
age, gender, genes
question
Healthy total blood cholesterol is ____ mg/dl.
answer
< 200
question
Healthy LDL cholesterol is _____ mg/dl.
answer
< 100
question
Healthy HDL cholesterol is ____ mg/dl.
answer
≥ 60
question
Healthy triglycerides are ____ mg/dl.
answer
< 150
question
Healthy BMI is between ____ and ____.
answer
18.5, 24.9
question
Healthy blood pressure is _____.
answer
120/80
question
A combination of characteristic factors high fasting blood glucose or insulin resistance, central obesity, hypertension, low blood HDL cholesterol, and elevated blood triglycerides—that greatly increase a person's risk of developing CVD.
answer
metabolic syndrome
question
Arterial pressure caused by the contraction of the heart's left ventricle.
answer
systolic pressure
question
Arterial pressure when the heart is between beats.
answer
diastolic pressure
question
What is the DASH diet designed to do?
answer
Lower blood pressure, improve vascular function, lower total cholesterol and LDL cholesterol.
question
What foods does the DASH diet consist of?
answer
Fruits, vegetables, nuts, whole grains and low fat milk products. Also low in sodium, saturated fat and total fat. Provides more potassium, magnesium, calcium and fiber.
question
The DRI daily recommended limit for sodium is _____ milligrams.
answer
2300
question
What four nutrient/minerals help to lower blood pressure?
answer
calcium, magnesium, potassium, vitamin c
question
An event, probably occurring in a cell's genetic material, caused by radiation or by a chemical carcinogen that can give rise to cancer.
answer
initiation
question
Factors that do not initiate cancer but speed up its development once initiation has taken place.
answer
promoters
question
Movement of cancer cells from one body part to another usually by the way of the body fluids
answer
metastasis
question
The drop in cancer incidence seen whenever intake of food energy (calories) is restricted.
answer
caloric effect
question
Is Nutrition important to both health and exercise performance? If so, what does good nutrition help with?
answer
Nutrition is important to both health and exercise performance. Good nutrition helps with recovery, optimizes performance, and is important for preventing problems that might occur if nutritional deficiencies occur.
question
What is mechanical efficiency? And, how efficent is the human body?
answer
Mechanical efficiency is the energy cost used to accomplish a specific amount of work. The human body is at most 25% efficient.
question
Mechanical efficient people use less energy to exercise at a given intensity than someone who is less mechanically efficient. True or False?
answer
True.
question
Is the energy cost of exercise training important in the planning of diets for athletes?
answer
Yes
question
During low intensity exercise at 50% or less of VO2 Max, a high proportion of energy comes from fat. True or false?
answer
True
question
Dietary carbohydrates such as grains are broken down by __________________.
answer
Glucose
question
One gram of carbohydrate provides about ________ kJ of energy
answer
17
question
_______________ is the only nutrient or substrate to be used in both the anaerobic glycolytic and oxidative metabolic pathways
answer
Carbohydrate
question
Glucose can be stored in the muscles and liver as fat. True or false?
answer
False; Glucose can be stored in the muscles and liver as glycogen.
question
Can carbohydrate digestion delay fatigue?
answer
Yes, carbohydrate digestion can delay fatigue.
question
A low carbohydrate diet is associated with....
answer
A low carbohydrate diet is associated with low muscle glycogen stores and poor exercise capacity, whereas a high-carbohydrate diet increases muscle glycogen stores and exercise capacity
question
Muscle glycogen stores can be depleted with as little as __________________ of intense continuous exercise.
answer
40 minutes
question
Glycogen depletion is associated with....
answer
Glycogen depletion is associated with an inability to maintain the rate of exercise and with the perception of fatigue (In marathon running, this point is called "hitting the wall")
question
Muscle glycogen stores can be depleted by prolonged periods of interval training, during which system?
answer
Regeneration system
question
30 seconds of all out sprints depletes _______ % of muscle glycogen stores
answer
25%
question
During prolonged exercise, carbohydrate ingestion can help maintain high rates of carbohydrate oxidation and spare muscle glycogen stores?
answer
True
question
Post exercise carbohydrate intake is NOT now known to benefit the athlete, particularly when the athlete must exercise again within 6 to 12 hours. True or false?
answer
False; Post exercise carbohydrate intake IS now known to benefit the athlete, particularly when the athlete must exercise again within 6 to 12 hours
question
What are the two most important components of fat for metabolism?
answer
Triglycerides and fatty acids are the two most important components of fat for metabolism.
question
Fatty acids can be classified as unsaturated or polyunsaturated. True or False?
answer
True
question
Fatty acids are stored as triglycerides. True or false?
answer
True
question
What is a triglyceride?
answer
A triglyceride is made up of a glycerol molecule plus three fatty acids. They are stored mostly in fat cells but are also stored in other tissues such as skeletal muscle.
question
When fat is needed as an energy source, the triglycerides are broken up in a process called ______________.
answer
Lipolysis
question
_____________ is not metabolized by skeletal muscle, but can be used by the liver to synthesize glucose.
answer
Glycerol is not metabolized by skeletal muscle, but can be used by the liver to synthesize glucose
question
If weight loss is required in an athlete, fat intake can be reduced to 15% to 20% of daily energy intake. True or false?
answer
True
question
Essential amino acids are vital to our diet because the body can synthesize them. True or false?
answer
False; Essential amino acids are vital to our diet because the body cannot synthesize them
question
Nonessential amino acids the body can synthesize. True or false?
answer
True
question
Many athletes have a high protein diet and consume ________________ powders
answer
Amino acid
question
In developed countries, average protein intake is usually 2 to 3 times higher than the recommendations and a protein deficit is usually present only when severe dietary restriction is coupled with a vegan diet. True or false?
answer
True
question
Excess dietary protein is not used by skeletal muscle - It is secreted by the ________________ to be used to synthesize fat
answer
Kidneys
question
High-protein diets usually does have sufficient carbohydrates to fuel extended training sessions. True or False?
answer
False; High-protein diets usually does not have sufficient carbohydrates to fuel extended training sessions
question
Humans lose heat primarily through the evaporation of sweat. True or false?
answer
True
question
Sweat rates can be very high-up to 3 Liters of sweat/hour. Sweat rate is dependent on what?
answer
Metabolic changes during exercise
question
When training or competition lasts less than 90 minutes, consuming fluid offers no physiological or performance benefit except ______________________.
answer
Reducing thirst
question
During prolonged exercise, the redistribution of water in the body and the loss of body water via sweating may reduce _____________________.
answer
Blood volume
question
The cardiovascular system adjusts to the loss of blood volume by....
answer
The cardiovascular system adjusts to the loss of blood volume by increasing heart rate to offset declines in stroke volume
question
When the cardiovascular and thermoregulatory systems are impaired, this can be life threatening or not?
answer
When the cardiovascular and thermoregulatory systems are impaired, this can be life threatening
question
Thirst is stimulated by...
answer
Thirst is stimulated by an increasing serum osmolality and blood pressure
question
Encouraging excessive water intake during exercise must be avoided to prevent __________________, a condition that occurs when kidneys inadequately clears the excess fluid
answer
Hyponatremia
question
How many calories do we need?
answer
You need to know how many calories you burn and how active you are
question
What is the resting metabolic rate equation?
answer
Body Weight in lbs x 10 kcal/lb
question
What factors affect RMR?
answer
Age, Height, Growth, and Body Composition
question
Age: Young adults have a higher __________________ than older adults. Older adults have a slower RMR.
answer
Resting metabolic rate
question
Height: Taller people have higher resting metabolic rate. True or false?
answer
True
question
Growth: Children and pregnant women do NOT have a higher resting metabolic rate. True or False?
answer
False, children and pregnant women have a higher resting metabolic rate.
question
Body Composition: If an individual has lean tissue, he or she has a _______________ resting metabolic rate.
answer
Higher
question
Body Composition: If an individual has fat tissue, he or she has a _____________ resting metabolic rate.
answer
Lower
question
What is the number one factor that determines resting metabolic rate?
answer
The amount of lean muscle mass in the body
question
Is the number of calories needed different for everyone?
answer
Yes
question
What are the three major sources from which we get energy?
answer
Carbohydrates, protein, fat
question
What are the components of a healthy diet?
answer
Carbohydrates, Protein, Fats, Minerals, Vitamins, Water
question
List the macronutrients that provide energy and calories.
answer
Carbohydrates, Protein, Fats
question
List the micronutrients that do NOT provide energy and have zero calorie content.
answer
Minerals, Vitamins, Water
question
Amount of calories in your diet depends on....
answer
Age, gender, and activity level
question
An in balance of nutrients may lead to ________________________.
answer
Malnutrition
question
What is the recommended amount (%) of daily protein intake?
answer
15-17%
question
What is the recommended amount (%) of daily carbohydrate intake?
answer
40-60%
question
What is the recommended amount (%) of daily fat intake?
answer
20-40%
question
Without adequate food intake, the provision of energy will be comprised. True or false?
answer
True
question
Carbohydrates are the _________________ energy source. Most readily available to fuel for ____________________.
answer
Primary; metabolism
question
List the sources of carbohydrates.
answer
Grains, fruits, vegetables
question
1 gram CHO ≈ ____ kcal
answer
4
question
What kind of carbohydrate sources does an individual consume?
answer
Monosaccharide: Glucose, fructose, galactose Disaccharides: Table sugar: sucrose Milk sugar: lactose Corn syrup: glucose/fructose Complex Carbohydrates: STARCH-plants store extra CHO in the form of starch.
question
What is the high glycemic index CHO?
answer
High glycemic index is a number associated with a particular type of food that indicates the food's effect on a person's blood glucose (also called blood sugar) level.
question
High glycemic index enters the blood stream very quickly. True or false?
answer
True
question
Why is Gatorade or Powerade beneficial for athletes?
answer
The high glycemic index gets into the blood faster.
question
Low/Mod GI CHO...
answer
Low/Mod GI CHO enters the bloodstream more slowly. They must be broken down first by digestive enzymes before being absorbed. (generally have a higher fiber content).
question
At rest, the brain/nerve cells use about _________ but 50% is from gluconeogenesis. You only, need to eat 75g.
answer
7 grams/hr = 150g
question
30 minutes of easy walking. How many grams of carbohydrates do you need?
answer
About 25 grams
question
Gatorade is at a concentration of about ______%
answer
8%
question
CHO use is minimal at rest (0-30%) for most individuals. True or false?
answer
True
question
Is carbohydrates the chief energy source during exercise?
answer
Yes, CHO helps spare protein use during exercise.
question
Where is glucose stored in the body?
answer
Blood (form of glucose), liver, and muscles
question
Store CHO is referred to as __________. It is primarily stored in ________________.
answer
Glycogen; skeletal muscle
question
_____________ is not used much by most tissues except after a meal, because it is reserved for the brain and "special" situations (e.g. stress, sickness, exercise etc).
answer
Blood glucose
question
Most individuals have 90 mg/100ml blood. This is equivalent to ________________ or ________ and ___________ minutes of activity
answer
5g (20kcal) or 1 tsp; 20 minutes of activity
question
During long, hard exercise one can use ______g blood glucose/min (2.5 min unless replaced)
answer
2g
question
Liver glycogen (60-100g): Breakdown of liver glycogen replaces blood glucose being used to maintain normal blood glucose levels. True or False?
answer
True
question
Muscle Glycogen (300g - 600g) is transported to ___________.
answer
Blood
question
An average a 70 kg male he has ____________ kcal of CHO. Breakdown: Muscle: 1200-2400 kcal = 300- 600g Liver: 320 - 440 kcal = 80 - 110g Blood Glucose: 20 kcal = 5g
answer
1500-2860
question
We don't want to store more glycogen than we use. True or false?
answer
True
question
Fats are made of _______________
answer
Fatty acids
question
If we did not have a high amount of fat, the cell membrane would break. True or false?
answer
True
question
1 gram of fat is equivalent to how many kcal?
answer
9
question
Fat is in the _____________ system.
answer
aerobic
question
Fat is a the key energy source at rest (contributes 70-100%) in most individuals. True or false?
answer
True
question
At rest, the primary fat depot that provides fatty acids is ____________ fat, whereas during exercise ___________ (surrounding organs) fat is the chief contributor.
answer
Subcutaneous; visceral
question
Most fatty acids used for exercise are transported from _________________ to muscle. However, some fat is stored in muscle and can be mobilized for use.
answer
adipose tissue
question
Fat requires a lot of _________. Consequently it is inefficient to use fat when you can use CHO.
answer
Oxygen
question
Fat does NOT need to be oxidized in adipose tissue, transported in blood, taken up by muscle, and taken up by mitochondria. True or false?
answer
False; Fat needs to be oxidized in adipose tissue, transported in blood, taken up by muscle, and taken up by mitochondria.
question
Fats cannot sustain high-intensity exercise (for the above reasons) because blood flow is limited to adipose tissue during intense exercise. True or false?
answer
True
question
Fat process is slow. It must undergo, what?
answer
Beta oxidation
question
Unsaturated fat contains double bonds between carbons. It includes the essential fatty acids that we must consume in our diet. True or false?
answer
True
question
Saturated fat contains single bonds between carbons. It is linked with cardiovascular disease, should be limited in our intake... Less than 10% of total calories. True or false?
answer
True
question
Athletes eating a diet of 55-65% CHO should consume ________ fat.
answer
20-25%
question
Although these is some evidence consuming high fat diets are helpful, the majority show performance is enhanced compared to CHO rich diets. Given the concern of consuming high fat diets to health. True or false?
answer
False; Although these is some evidence consuming high fat diets are helpful, the majority show performance isn't enhanced compared to CHO rich diets. Given the concern of consuming high fat diets to health.
question
Protein is made of ______________.
answer
Amino acids
question
Proteins are required for...
answer
Building and repairing tissues. Acid-base buffering during activity.
question
Only 3-10% of energy derived from protein oxidation occurs during rest or exercise. As a result, protein is often underappreciated for it's role in energy production...True or false?
answer
True
question
Use of protein depends heavily on: List.
answer
Energy balance (deficit means more PRO used) CHO available (low means more PRO used)
question
There is no true storage of protein. Protein used in excess of dietary intake causes loss of lean body mass.
answer
True
question
What basic life processes are affected?
answer
Protein synthesis reduced Resting metabolism slows Weak (muscle loss) Immune system weakens (can't produce antibodies)
question
For athletes in training, their goal is to maintain or increase _____________________ (FFM)
answer
Lean body mass
question
An increase in muscle size (and mass) is caused by an increase in _________________.
answer
Protein synthesis
question
Muscle mass maintenance (a primary goal of endurance athletes in particular) is sustained by discouraging protein degradation. True or false?
answer
True
question
Given that protein turnover is approximately 200-400g/d, what is the proper dietary requirement for protein then?
answer
The RDA for protein in normal sedentary individuals is 0.8g/kg-BW (1kg = 2.2lbs)
question
Part II: Given that protein turnover is approximately 200-400g/d, what is the proper dietary requirement for protein then? For a 130lb person this equals (130/2.2)*0.8 = _____g? For a 180lb person this equals (180/2.2)*0.8 = ____g?
answer
For a 130lb person this equals (130/2.2)*0.8 = 47g For a 180lb person this equals (180/2.2)*0.8 = 65g
question
Athletes have increased protein needs compared to sedentary people but there is some debate about how much protein athletes really need. True or false?
answer
True
question
Endurance performance athletes focus only on CHO intake, but strength/power performance athletes focus only on protein intake?
answer
False; All athletes have an increased need, compared to sedentary people, for dietary protein. The difference is in the use of that protein. The goal for endurance athletes is to provide amino acids for energy and maintain FFM)
question
The goal for resistance athletes it to.....
answer
gain/maintain FFM
question
Endurance Athletes need protein because: List the reasons
answer
Protein oxidation occurs as an energy source; After prolonged or high intensity exercise a negative net protein balance is seen; Training seems to have a protein sparing effect, protein oxidation during exercise decreases with training
question
What are the two types of vitamins?
answer
Water soluble and Fat soluble
question
Water soluble vitamins
answer
Vitamin C B-complex vitamins Excess of these vitamins is excreted in urine.
question
Fat soluble vitamins
answer
Vitamins A, D, E, K Body cannot excrete excess amounts. Excess can be dangerous or fatal.
question
It is not possible to eliminate all toxins from you diet by eating only natural plants because many plants used for food have __________ to fend off diseases , insects and other predators,
answer
natural poisons
question
Pregnant women are advised not eat certain species of fish because the FDA and the EPA have detected unacceptably high _________ levels
answer
methylmercury
question
The chance of getting food born illness from produce is ____________ to the chance of getting ill from eating meat, eggs and seafood.
answer
similar
question
Packaging can contribute to ________
answer
food safety
question
Infants under 1 should never be fed __________ because it can contain spores of Clostridium botulinum
answer
honey
question
The FDA has identified __________ as its number one concern.
answer
microbial foodborne illnesses
question
To prevent foodborne illnesses, the refrigerator's temperature should be less than.
answer
40 degrees
question
Hepatitis, worms and flukes, viral intestinal disorder may all be contracted from fresh raw or uncooked _____
answer
seafood
question
Fruits that have been irradiated decay and ripen _____ (irradiate the application of ionizing radiation to food)
answer
more slowly
question
___________ appears as the number one area of concern on the Food and Drug Administration's list of concerns regarding our food supply
answer
microbial foodborne illness
question
______ foods measurably reduce pesticide exposure.
answer
organic
question
The FDA's authority over additives hinges primary on their _____ and ______.
answer
effectiveness and safety
question
a list of food additives...some 700 substances have been placed on the _____ list. This list can be re-evaluated.
answer
GRAS list (Generally recognized as safe)
question
MSG has been deemed safe for ______ but kept out of foods for ______.
answer
adults infants
question
_______ and ________ work as antimicrobial agents by withdrawing water from food.
answer
salt and sugar
question
Preservatives known as ____ prevent or delay rancidity of fats.
answer
antioxidants
question
To reduce pesticide residues in foods you would _____ and ________
answer
-trim the fat from meat -wash produce in warm water using a scrub brush and rinse thorough
question
_______ are permanently approved by the FDA
answer
No food additives
question
To prevent bacterial growth , you should refrigerate foods immediately after serving a meal and definitely before _____ hours have passed
answer
2 hrs
question
Which of the following is the safest food to pack for a picnic: apples, potato salad, chicken salad, or swiss cheese
answer
apples
question
Which of the following cause substantial loss of water -soluble vitamins: canning, freezing, drying, or ultra high temperatures
answer
canning
question
________ is a special enemy of thiamin
answer
sulfites
question
The term "sushi grade" is _________ and does not indicate quality, purity or freshness.
answer
not legally defined
question
During processing foods often gain:
answer
sodium
question
When dining in an Asian restaurant, individuals who are sensitive to MSG should:
answer
order a soup that contains noodles and/or eat plenty of rice
question
The most effective and safest way to remove microbes from sponges is to:
answer
use an automatic dishwasher
question
To prevent travelers' diarrhea you would: ____ & ____
answer
wash hands before eating and drink only bottled beverages
question
________ appears last on the FDA's list of concerns regarding the U.S. food supply:
answer
genetically modified foods
question
Foodborne illnesses can be life threatening and are increasingly unresponsive to standard _______.
answer
antibiotics
question
Characteristics of a safe hamburger would be one that has reached an internal temp of ______ and/or cooked until ________.
answer
160 degree well done
question
To decrease foodborne illness, you would
answer
rinse veg and scrub all raw produce under running water using a vegetable brush, rinse w/ vinegar, discard outer leaves from leafy vegetables
question
The FDA and EPA advise all pregnant women against eating king mackerel, swordfish and shark because they are high in _________
answer
methylmercury
question
the acute, temporary and self limiting reactions experienced by sensitive people upon ingesting a dose of MSG
answer
MSG symptom complex
question
two or more cases of foodborne illness arising from an identical organism acquired from a common source within a limited timeframe
answer
outbreak
question
substances that are added to foods, but are not normally consumed by themselves as foods
answer
additives
question
the ability of a substance to harm living organisms
answer
toxicity
question
a Japanese dish that consists of vinegar-flavored rice, seafood and colorful vegetables, typically wrapped in seaweed.
answer
sushi
question
an agency of the United Nations charged with improving human health and preventing or controlling diseases in the world's people
answer
World Health Organization
question
in reference to food additives, a zone between the concentration normally used and that at which a hazard exists
answer
margin of safety
question
the application of ionizing radiation to foods to reduce insect infestation or microbial contamination, or to slow the ripening or sprouting process
answer
irradiation
question
substances that can get into food not through intentional introduction but as a result of contact with food during growing, processing, packaging, storing, or in some other stage before the food is consumed
answer
incidental additives
question
a process of sterilizing food by exposing it for a short time to temperatures above those normally used in processing
answer
ultrahigh temperature
question
whatever remains
answer
residues
question
chemicals used to control insects, diseases, weeds, fungi, and other pest on crops and around animals
answer
pesticides
question
of stubborn or enduring nature
answer
persistent
question
any substance occurring in food by accident, not a normal food constituent
answer
contaminant
question
the contamination of a food through exposure to utensils , hands, or other surfaces that were previously in contact with a contaminated food
answer
cross contamination
question
foods meeting USDA production regulations, which include prohibition of synthetic pesticides, herbicides, fertilizer, drugs and preservatives, and produces without genetic engineering or irradiation
answer
organic foods
question
stable oily synthetic chemicals used in hundreds of industrial and commercial operations that persists as population in the environment, they cause cancer in animals and a number of other serious health effects
answer
extrusion
question
processing techniques that transform whole or refined grains, legumes and other foods into shaped, colored and flavored snacks, breakfast cereals and other products
answer
extrusion
question
garden grown with techniques of sustainable agriculture, such as using fertilizers made from composts and introducing predatory insects to control pest, in ways that have minimal impact on soil, water and air quality
answer
organic gardens
question
an often fatal illness of the nerves and brain observed in cattle and wild game and in people who consume affected meats
answer
mad cow disease/ bovine spongiform encephalopathy
question
bovine spongiform encephalopathy is also known as_____________
answer
mad cow disease
question
a poisonous metallic element; in trace amounts, its believed to an essential nutrient in some animal species often added to insecticides and week killer in tiny amts.
answer
arsenic
question
the estimated amount of sweetener that can be consumed daily over a person's life time without any adverse effects
answer
acceptable daily intake
question
the required label stating the country of origination of many imported meats, chicken, fish, shellfish, and other perishable foods, certain nuts and ginseng
answer
Country of Origin Label
question
the international adulteration or depletion of the food supply through the use of biological agents, such as pathogenic organisms or agricultural pests to cause fear and destruction in a population
answer
food bioterroism
question
a noncaloric artificial fat made from sucrose and fatty acids
answer
Olestra
question
a preservation technique in which a perishable food is packaged in a gas-impermeable container from which air has been removed or to which another gas has been added
answer
modified atmosphere packaging
question
a severe result of infection with E coli 0157:H7, characterized by abnormal blood clotting with kidney failure, damage to central nervous system and other organs,and death especially among children
answer
hemolytic-uremic syndrome
question
Effects of malnutrition on the body's dense systems would include cell of the immune system being ______ and antibody concentration becoming ________
answer
reduced in size depressed
question
Nutrition can not directly prevent or cure _______
answer
infectious diseases
question
Men and women do not experience the same signs and symptoms of a _____
answer
heart attack
question
Chronic disease arise from a mixture of _____ and _____.
answer
genetic inheritance and lifestyle choices
question
Elevated LDL cholesterol Elevated total blood cholesterol and Decreased HDL cholesterol ...are not major risk factors for ___________ but serve as markers for other risk factors.
answer
heart disease
question
To lower LDL and reduce heart risk people in the U.S. should consume _____ grams of soluble fiber /day and consume less than ____ mg of cholesterol /day
answer
5-10 soluble fiber [less than] 200 mg cholesterol
question
Central obesity is associated with:
answer
high blood pressure and high cholesterol
question
To help reduce the risk of CVD you should reduce the amount of ________ in he diet nsad choose foods high in ________.
answer
saturated fats soluble fibers
question
Sterol esters help bring down blood cholesterol by blocking absorption of cholesterol in the ______
answer
intestines
question
For people 55 or older, the life time risk of developing hypertension approaches _____ percent.
answer
90
question
The best kind of physical activity to reduce blood pressure is moderate or vigorous intensity _______
answer
aerobic activity.
question
Those with kidney problems, diabetes or a family history of hypertension are likely to respond more sensitively than others to _________
answer
sodium
question
For people with hypertension, a reduction of blood pressure usually accompanies a lower _________intake
answer
sodium
question
For people who are over weight and hypertensive, a loss of _______ lbs may significantly lower blood pressure.
answer
10 lbs
question
To consume more phytochemicals in your diet eat more _______ and __________
answer
fruit and cruciferous vegetables
question
To minimize risks from carcinogens formed during cooking meats you would__________
answer
bake them in the oven
question
Cruciferous vegetables are associated with ________
answer
low cancer rates
question
Cauliflower,cabbage, and brussel sprouts are ______ vegetables
answer
cruciferous
question
The DRI Committee's Tolerable Upper Intake Level for sodium is __ milligrams per day.
answer
2300
question
Reducing ________ would produce the greatest possible reduction in LDL cholestorol
answer
saturated fat
question
Vitamin and mineral supplements have __________in lowering blood pressure
answer
not shown promise
question
______ may reduce the risk of sudden death associated with both heart disease and stroke.
answer
Fish oil
question
Low HDL cholesterol, high blood pressure, and high fasting blood glucose are features of __________.
answer
metabolic syndrome
question
By what age do most people have well developed plaques in their arteries?
answer
30 yrs old
question
Low blood pressure, low LDL cholesterol and high blood HDL cholesterol are risk factors for _________.
answer
Cardiovascular disease
question
An "atherogenic diet" is high in cholesterol, saturated fats and ______.
answer
trans fats
question
Calcium,magnesium, and potassium may help to regulate _____________
answer
blood pressure
question
Alcohol, high intakes of red meat and high intakes of processed meats have all been associated with an increase in __________.
answer
cancer
question
When the calorie intake rises ________ rates also increase.
answer
cancer
question
Laboratory evidence suggests that a high -calcium diet may prevent the risk of ______________
answer
colon cancer
question
The DASH diet is designed for ____________
answer
people with hypertension
question
Hypertension is more severe and occurs easier in life among people of ________ descent.
answer
African American
question
The ability to bend and recover without injury is called
answer
flexibility
question
People who regularly engage in moderate physical activity _________ then those who are physically inactive.
answer
live longer on average
question
The average resting pulse rate for adults is around _____ beats per minute.
answer
70
question
Swimming and basketball produce _______________ endurance.
answer
cardiorespiratory
question
Sports anemia reflects a normal adaptation to______
answer
endurance training
question
Athletes relying on ____________ to govern fluid intake can easily become dehydrated
answer
thirst
question
Plain cool water is the optimal beverage for replacing fluids in those who exercise because it rapidly leaves the ______ and _____ from inside out
answer
digestive tract cools the body
question
Besides water, ___________ is recommended for athletes as opposed to coffee, beer or iced tea.
answer
fruit juice
question
To postpone fatigue, endurance athletes should eat _______________ on a day to day basis and take in some __________ during the activity, usually in fluid.
answer
a high - carbohydrate diet glucose
question
A reduced risk of ____________ is an effect of regular physical activity.
answer
cardiovascular disease
question
The 2008 Physical Activity Guidance for Americans recommend that people engage in strength activities _____ or more days a week.
answer
2
question
Glycogen depletion usually occurs after about ____ hrs of vigorous activity / exercise.
answer
2
question
During intense activity, anaerobic breakdown of glucose produces:
answer
lactate
question
During events lasting longer than 4 hours, athletes need to pay special attention to replacing ________ losses to prevent hyponatremia,
answer
sodium
question
After about ____ minutes of activity, the blood fatty acid concentration rises above the normal resting concentration and fat cells begin to shrink in size.
answer
20
question
The following are factors that affect __________ : the amount of fat in the diet, degree of training to perform the exercise, and the intensity and duration of the exercise.
answer
fat use in exercise
question
____________ signals the synthesis of muscle proteins.
answer
Physical activities
question
Sodium, potassium and chloride are lost in _______ during physical activity.
answer
sweat
question
Physically fit people have a lower risk of cardiovascular disease due to :
answer
lower blood pressure & lower total blood cholesterol
question
Resistance training slows the gradual loss of _________ that often impairs quality of life in the elderly.
answer
physical mobility
question
_______ can be used to improve flexibility.
answer
yoga
question
The committee on DRI does not recommend greater than normal ________ intakes for athletes.
answer
protein
question
Critical for the working body because it helps build the red blood cells to carry oxygen to working muscles.
answer
folate
question
Provides most of the energy the muscles use in the early minutes of activity.
answer
glycogen
question
Which diet has been shown to increase an athlete's endurance?
answer
high-carbohydrate diet
question
Required as part of myoglobin, a muscle protein that is essential to performance?
answer
iron
question
The following describe ____________: poor in minerals and vitamins and cause fluid losses
answer
beer
question
A person who exercises moderately longer than 20 min begins to :
answer
use less glucose and more fat for fuel
question
Weight training to improve muscle strength and endurance helps maintain:
answer
bone mass
question
The average resting pulse is about 70 beats per minute but the resting rate is _________ in active people
answer
lower
question
The average resting pulse rate for adults is around ______ beats per minute.
answer
70
question
An athlete should drink extra_______ in the last few days of training before an event in order to ensure proper ______
answer
fluids hydration
question
Research does not support the idea that athletes need _____________ to enhance performance.
answer
supplements of vitamins
question
Aerobically trained muscles burn _________ readily than untrained muscles.
answer
more fat
question
The ability if a muscle to contract repeatedly within a given time without becoming exhasted
answer
muscle endurance
question
An increase in size, for example of a muscle in response to use
answer
hypertrophy
question
Not requiring oxygen. Anaerobic activity may require strength but does not work the heart & lungs very hard for a sustained period.
answer
anaerobic
question
The amount of weight loss plus fluid consumed during exercise per hour
answer
HOURLY SWEAT RATE
question
The ability to perform large muscle, dynamic exercise of moderate to high intensity for prolonged periods
answer
cardiorespiratory endurance
question
A decrease in size for example of a muscle because of lack of use.
answer
atrophy
question
The extra physical demand placed on the body, an increase in frequency, duration or intensity of an activity.
answer
overload
question
activity in which the body's large muscles move in a rhythmic manner for a sustained period of time. Aerobic activity is also called endurance activity, improves cardiorespiratory fitness (brisk walking).
answer
aerobic physical activity
question
the volume of oxygenated blood ejected from the heart toward body tissues at each beat
answer
stoke volume
question
Regular practice of an activity which leads to physical adaptations of the body with improvement in flexibility, strength or endurance
answer
training
question
physical activity that develops muscle strength, power, endurance, and mass
answer
resistance exercise
question
a measure of increased metabolism (energy expenditure) that continues for minutes to hours after cessation of exercise
answer
Excess postexercise oxygen consumtion
question
painful cramps of the abdomen, arms, or legs, often occurring hours after exercise
answer
heat cramps
question
flavored commercial beverages used to restore muscle glycogen after exercise or as pre-game beverages
answer
high-carbohydrate energy drinks
question
a hormone produced by the brain's pituitary gland, necessary for growth of the body tissues
answer
growth hormone
question
the gradual increase of stress placed upon the body with the use of resistance
answer
Progressive weight training
question
a hormone produced primarily by the male testes
answer
testosterone
question
physical activity that requires a large increase in breathing and/or heart rate expends more than 7 calories per minute
answer
vigorous- intensity physical activity
question
: a regimen of moderate exercise followed by eating a high carb diet that enables muscles to temporarily store glycogen beyond what's normal. Also called glycogen loading or glycogen supercompensation.
answer
CARBOHYDRATE LOADING
question
Fruit flavored drinks used to restore muscle glycogen after exercise or part of a pregame regiment.
answer
HIGH CARB ENERGY DRINKS
question
compounds that supply glucose, not as a single molecule but linked in chains somewhat like starch.
answer
glucose polymers
question
A meal eaten 3-4 hours before an athletic competition.
answer
PRE-GAME MEAL
question
the most common form of CVD, plaque along inner walls of arteries
answer
atherosclerosis
question
Mounds of lipid material mixed with smooth muscle cells and calcium that developed in the artery walls in athersclerosis.
answer
plaques
question
vessels that feed heart become closed off by an embolism, thrombus, or other cause with resulting sudden tissue death.
answer
heart attack
question
The sudden shutting off of the blood flow to the brain by a thrombus, embolism, or other bursting of a vessel.
answer
stroke
question
large, primary artery that conducts blood from the heart to the body's smaller arteries
answer
arota
question
A combination of high fasting blood glucose of insulin resistance, central obesity, hypertension, low blood HDL cholesterol, and elevated blood triglycerides-that greatly increases a person's risk of developing CVD.
answer
metabolic syndrome
question
resistance to pumped blood in the small arterial branches (arterioles) that carry blood
answer
peripheral resistance
question
origin of cancer
answer
carcinogenesis
question
cancer-causing substance
answer
carcinogen
question
in cell's genetic material, caused by radiation or by a chemical carcinogen that can give rise to cancer
answer
initiation
question
factors such as certain hormones that do not initiate cancer but speed up its development once initiation has taken place
answer
promoters
question
Movement of cancer cells from one body part to another usually by the way of body fluids
answer
metastasis
question
compounds in foods that act in any of several ways to oppose the formation of cancer
answer
anticarcinogens
question
vegetables with cross-shaped blossoms-cabbage family. associated with low cancer rates.
answer
cruciferous vegetables
question
Wherever dietary fat consists mostly of _____ fats and fish, fruits, and vegetables are eaten in abundance, blood cholesterol and the rate of death from heart disease are low.
answer
unsaturated
question
All of the following dietary factors are protective against CVD except:
answer
refined starches
question
Which of the following appears to help prevent and treat hypertension in certain populations?
answer
potassium
question
Which of the following is not one of the risk factors for CVD?
answer
high HDL
question
To lower LDL cholesterol levels you would tell someone to:
answer
lose weight increase physical activity
question
The DASH diet emphasizes fruits, vegetables, whole grains, and fat-free or low-fat milk and milk products.
answer
True
question
hypertension risk factors
answer
age and genes
question
To help prevent hypertension Americans should limit their sodium intake to _____ mg per day
answer
2300
question
The CDC, American Heart Association, and other groups have collaborated to create a program that encourages people to:
answer
fill half their plate with vegetables and fruits.
question
Arguments against genetic testing include all of the following except:
answer
there is no evidence that information about genetic coding can be used to make lifestyle changes.
question
Which mineral may have causative effects for prostate cancer?
answer
calcium
question
Which of the following is associated with a reduced risk of CVD?
answer
high HDL
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