HNF 150 Exam #2 Questions – Flashcards

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(HNF 150 Exam 2 form A) About how long after a workout should an athlete eat?
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2 hours
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All of the following are good food sources of vitamin C EXCEPT:
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Milk (Good sources of Vitamin C are... -Citrus fruits -Strawberries -Broccoli)
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The best way to select foods that are vitamin rich is to:
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Select a wide variety of whole foods to get a balance of vitamins.
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Which fat-soluble vitamin is important for vision, immune system function, maintenance of body linings/skin, and bone growth?
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Vitamin A
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The sequence of amino acids that make up a protein molecule are specified by:
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Heredity
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According to the movie Starvation Study conducted during WWII, all of the following were challenging symptoms of semi-starvation, except:
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Increased sex drive
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Which of the following is NOT one of the functions of vitamin C?
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Maintains bone density (Functions of Vitamin C include -Protects and recycles Vitamin E -Produces and and maintains Collagen -Promotes the absorption of Iron)
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A 10-year-old boy is going through a growth spurt. Because he needs to build new muscle tissue, what should his nitrogen status be?
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Positive Nitrogen Balance
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Vitamin E serves as:
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An Antioxidant
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A non-food source of vitamin K is:
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Intestinal Baceria
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Which of the following B vitamins is especially important for women of childbearing age to prevent neural tube defects?
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Folate
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Examples of aerobic physical activity include all of the following EXCEPT:
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Using weight machines (anaerobic) (Aerobic exercises include... -Brisk walking -Swimming -Bicycling)
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No convincing evidence indicating benefits from antioxidant supplements in well-nourished people exists.
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True
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Which of the following is among the most dangerous and illegal ergogenic aids?
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Anabolic steroid hormones
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Athletes often use whey protein products to prepare for competition because:
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They provide amino acids that are more quickly digested and absorbed.
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Weight training results in all of the following except:
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Decreased bone density
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Which of the following groups would NOT be at risk for developing a thiamin deficiency?
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People who consume enough calories from whole foods.
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A weight lifter is taking creatine supplements to increase the power in his muscles. What is the most likely effect of taking the supplement?
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Weight gain
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An uninformed strict vegetarian is at special risk for ___________ deficiency.
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Vitamin B12
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Which of the following statements is true about basal metabolic rate (BMR)?
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The more thyroxine produced, the higher the BMR
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Which of the following nutrients is important for athletes because it is needed for the formation of collagen?
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Vitamin C
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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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For athletes, the path to bigger muscles includes:
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Vigorous physical training + Well-timed meals
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What would you tel a female long distance runner who is considering whether or not to begin taking an iron supplement?
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She needs to have medical testing of her blood iron values first to see if she needs it
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The main function of vitamin K is:
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to help activate proteins that help clot the blood.
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What is the term that describes the physiological need to eat?
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Hunger
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Current recommendations for fruit and vegetable intakes are for us to consume a variety from each category on a daily basis. The two vitamins that are abundant in leafy greens and citrus fruits, as well as other fruits and vegetables, are:
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Folate and Vitamin C
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An athlete takes vitamin and mineral supplements prior to competition because he believes they can enhance performance. You will explain to him that taking these supplements:
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Does not improve performance because there is not enough time for the nutrients to be combined with other appropriate pars so they can do their work
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Amino acid side chains differ in which of the following characteristics?
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Size, Shape, and Electrical charge
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Which vitamin aids in the conversion of tryptophan to niacin?
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Vitamin B6
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Which of these B vitamins are present only foods of animal origin?
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Vitamin B12
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A(n) __________ bond is formed between the amine group of one amino acid and the acid group end of the next amino acid in a protein.
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Peptide
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All of the following are fat-soluble vitamins except?
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Vitamin C (Water-soluble vitamins include... -Vitamin K -Vitamin A -Vitamin D
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Active people do not need extra fluid in cold weather.
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True
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How has physical activity played a role in weight trends in the U.S. recently?
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Sedentary activities have replaced outdoor play for many people
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When amino acids are degraded for energy, their amine groups, are stripped off and used elsewhere or incorporated by the liver into:
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Urea
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The USDA has designated the least costly nutritious diet for a family as the:
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Thrifty food plan
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If amino acids are oversupplied:
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The body removes and excretes their amine groups + the body converts amino acid residues to glycogen to fat
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All of the following are risks from being underweight EXCEPT:
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Higher risk of developing heart disease (Risks from being underweight are... -Earlier death during a famine or siege -Greater risk of starvation when suffering from cancer -Higher risk of death following surgery
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Negative nitrogen balance occurs in:
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A surgery patient
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Without critical essential amino acids to perform their roles, many of the body's life-sustaining activities would come to a halt.
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True
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Any meal should be finished at least _________ hours before an athletic competition.
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3 or 4
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High-protein, low-carbohydrate diets have been shown to be much more effective than any other plans in promoting successful weight loss.
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True
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Antioxidant nutrients that actively scavenge and quench free radicals in the body include:
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Vitamin E and Vitamin C
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Leptin is a hormone produced by the body to stimulate the appetite and encourage eating.
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False
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As physical activity continues between first few minutes, which of the following flows into the bloodstream to signal the liver to liberate its stored energy nutrients?
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Glucagon
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Which of the following is considered complementary proteins?
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Rice and beans
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The major role that the hormone ghrelin plays in eating is to:
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Signal hunger when the stomach is empty
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In adults with vitamin D deficiency, poor bone mineralization can lead to...
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Osteomalacia
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What is the primary function of the B vitamins? (End of HNF 150 Exam 2 form A)
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Coenzyme
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