Nutrition Ch3&4 – Flashcards

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A person can eat when hunger is absent because:
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the conscious mind of the cortex can override body signals.
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As food moves through the digestive tract it spends the most time in the:
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large intestine because of the need to partially digest fiber and absorb water.
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Digestion of foods includes the mechanical actions of:
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peristalsis waves to move the foods down through the digestive tract.
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As the villi in the small intestine are exposed to nutrients:
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they will preferentially absorb a greater percentage of deficient nutrients.
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Alcohol's effect on nutrition is important because:
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alcohol causes the liver to expel folate into the blood for excretion by the kidneys.
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If you are taking medications to treat the discomfort caused by heartburn, it is important to know that:
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antacids will only temporarily relieve pain by neutralizing stomach acid for a while.
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If you do not eat on a regular basis throughout the day, the effect on the body will be:
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a coordinated effort to draw stored energy from various parts of the body.
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the digestive juices in the digestive tract include:
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pancreatic juice, which neutralizes stomach acids reaching the small intestine.
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The digestive tract needs _____, which provides the bulk against which the muscles of the colon can work.
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fiber
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The liver converts excess energy-containing nutrients into:
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glycogen and fat
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The main purpose of the kidneys in the body is to:
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remove everyday wastes and water from the body.
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The primary organ of digestion and absorption is the:
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small intestine
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The stomach's main function is the digestion of what nutrient?
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protein
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The vast majority of fat digestion takes place in the:
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small intestine with lipases released by the gallbladder.
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When the pancreas detects a high concentration of the blood's sugar, glucose, it releases:
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insulin
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Which of the following advice would you give to a friend suffering from constipation?
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Consume foods with adequate fiber and drink enough water
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You have just consumed a meal very high in fat. As a result, hormonal messages will tell an organ to send _____ in amounts matched to the amount of fat present.
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bile
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Without food to replenish it, the liver's glycogen supply can be depleted within:
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3 - 6 hours
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You are concerned about a classmate who is binge drinking on a regular basis and want to let him know about long-term complications that may rise from that practice. What would you tell him to try to convince him to cut back on drinking?
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excessive alcohol intake can lead to deterioration of skeletal and heart muscle
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Which of the following deliver(s) one-half ounce of ethanol?
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5 ounces of wine and 12 ounces of beer
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A desirable intake of dietary fiber is _____ grams daily, according to the Academy of Nutrition (American Dietetic Association).
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20 - 35
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A person with newly diagnosed type 2 diabetes has just been advised that he should begin a 2100-calorie diet with 45% of the energy coming from carbohydrate. How many grams of carbohydrate would that be?
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236
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A friend complains of blurred vision, cravings for sweets, weakness, and excessive thirst and urination. These symptoms are suggestive of:
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diabetes
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According to the Dietary Reference Intakes, people should obtain about _____ percent of their daily energy from carbohydrates.
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45 - 65
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Carbohydrates are essential to provide energy for the body because:
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the glucose that is produced from them is vital to fuel most of the body's cells.
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Complex carbohydrates:
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are long chains of sugar units arranged to form starch or fiber.
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Characteristics of type 2 diabetes include all of the following except:
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a pancreas that makes too little or no insulin.
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Current dietary guidelines for the United States recommend:
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increased consumption of fiber-rich, whole food sources of carbohydrate.
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Fruits differ from concentrated sweets because:
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their sugars are diluted in large volumes of water and they are packaged with fiber
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In the past three decades, carbohydrate intake in this country has:
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increased along with calorie intake.
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It can be said that the energy we obtain from foods comes from the sun. This is because:
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light energy from the sun is used in photosynthesis to create chemical energy in the plant.
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It would be appropriate to recommend high-fiber foods to someone trying to lose weight because: a. fiber speeds up movement of foods through the upper digestive tract. b. fiber promotes a feeling of fullness. c. fiber may displace calorie-dense concentrated fats. d. a and b e. b and c
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fiber promotes a feeling of fullness also because fiber may displace calorie-dense concentrated fats
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Lactose intolerance can cause nutritional complications because:
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inadequate calcium intake from avoiding dairy products can affect bone development.
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Products of the incomplete breakdown of fat that occurs when carbohydrates are not available are called:
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ketone bodies.
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The disaccharides include:
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sucrose, maltose, and lactose.
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Which of the following is the most-used monosaccharide inside the body?
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glucose
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Which of the following terms would you look for on a bread label to choose the most nutritious product?
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whole grain
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Which of the following would you recommend for a person with lactose intolerance?
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aged cheese and yogurt
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You are trying to convince someone that a low-carbohydrate diet is undesirable. Reasons you would give to support your statement include:
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fat is not used as fuel by the brain and nervous system and gram for gram, carbs donate fewer calories than fats
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Digestion of most starch begins in the:
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mouth.
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