A primary function of macronutrients in the body is to:
a. supply energy.
b. regulate metabolic processes.
c. maintain homeostasis.
d. control cellular activity.
A
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How many pairs of chromosomes are found in humans?
a. 23 b. 27 c. 13 d. 29
All of the following are a part of The Dietary Reference Intakes five component parts except:
a. recommended dietary allowances. b. tolerable upper intake levels. c. estimated average intakes. d. inadequate intakes.
Which of the following is a characteristic of nutrition and cataract formation?
a. Obese and lean people have the same risk for cataracts. b. Adequate intakes of biotin and inositol seem to delay the onset of cataract formation. c. Nutrition seems to play little, if any, role in the onset of cataracts. d. Vitamin C supplements in doses of 1,000 mg for several years appear to raise the risk for cataracts. e. Antioxidant supplements appear to slow the progression of cataracts.
Which of the following best describes fortification?
a. The addition of one or more vitamins and/or minerals to a food product. b. The replacement of thiamin, riboflavin, niacin, and iron lost when grains are refined. c. The addition of vitamins, minerals, and protein to a food product. d. The replacement of thiamin, fiber, and iron lost when grains are refined.