One reason it is difficult to establish recommended requirements for vitamin D is because:
a. individual exposure to sunlight varies greatly.
b. it is present in so many foods.
c. individuals store it in large quantities.
d. the amount in food varies with the season.
ANS: A
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Which of the following is considered the MOST risky during pregnancy?
A. consuming an ovo-lacto vegetarian diet B. engaging in vigorous aerobic activity C. using the artificial sweeteners Splenda and Stevia D. smoking
The Wernicke-Korsakoff syndrome in people with chronic alcohol abuse stems primarily from a deficiency of ____
a. folate b. thiamin c. antidiuretic hormone d. alcohol dehydrogenase e. protein
Water and _____ are reabsorbed in the large intestine
a. vitamins b. proteins c. electrolytes d. lipids
Proteins that contain all of the essential amino acids in amounts sufficient to support tissue construction in the body are called:
a. complete proteins. b. incomplete proteins. c. inadequate proteins. d. very important proteins.