John is 35 and interested in gaining muscle mass. He wants to do it as quickly as possible and goes to the local health food store. The clerk approaches him wearing a white lab coat—this immediately impresses John, who now thinks that the clerk is well informed. John explains that his goal is to gain the maximum muscle mass in the shortest time. The clerk gets a twinkle in his eye and says "Let
me show you what we have that will certainly help you.". Let's see if the clerk really knows what ergogenic aids are all about by answering these questions. The clerk recommends John purchase coenzyme Q10 . Which statement is incorrect about this substance?
a. Coenzyme Q10 is a lipid used by cells in energy metabolism.
b. Coenzyme Q10 is an essential nutrient.
c. Coenzyme Q10 may play an antioxidant role.
d. Coenzyme Q10 has not been shown to improve athletic performance.
b
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The ________ is main site of deamination in the body.
A. thyroid B. spleen C. liver D. gallbladder
The consumption of milk by children should not exceed 3 cups per day in order to lower the risk for
a. solute overload. b. iron deficiency. c. vitamin A toxicity. d. vitamin D toxicity.
Prader–Willi syndrome interferes with muscle development, cognition, and _____.
A. pulmonary function B. vision C. control of appetite D. auditory acuity E. kidney function
In order to maintain a healthy weight and reduce the risk of chronic disease, daily physical activity at what level is recommended?
a. sedentary b. active c. very active d. low active