Approximately how many kcalories per week should be expended in physical activity in order to maintain a weight loss?
a. 2500
b. 3500
c. 4500
d. 5500
e. 6500
ANS: A
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Research generally supports the theory that caffeine may enhance performance in long distance endurance events. Which of the following is the LEAST likely hypothesis?
A. It may decrease the perception of effort during exercise B. It decreases the use of both free fatty acids and muscle glycogen C. It may exert a direct effect on the muscles to increase muscle contractile force D. It stimulates the release of epinephrine from the adrenal gland E. It may exert a psychological stimulating effect
Which of the following are precursors of urea synthesis?
a. All amino acids b. Animal proteins only c. Essential amino acids only d. Nonessential amino acids only
People who are vegetarians tend to avoid _____
a. physical activity b. social interactions c. tobacco d. sugar e. cooked food
Janet is taking ritonavir. What instructions should she receive?
a. It should be taken on an empty stomach. b. It must be taken with food. c. It should be taken 1.5 hours before or 2 hours after a meal. d. It is one of the few protease inhibitors that does not interact with alcohol.