Which of the following is most characteristic of common body composition changes in adolescent males?
A. An increase in fat mass and a relative decrease in lean mass
B. An increase in lean mass and a relative decrease in fat mass
C. An increase in both fat mass and lean mass
D. A decrease in both fat mass and lean mass
B
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The normal range for bilirubin in the bloodstream is ____ mg/dL
A) 0-2.0 B) 3.4-4.8 C) 15-45 D) > 55
Lactose intolerance is due to a(n)
A. deficiency of lactose. B. deficiency of lactase. C. deficiency of healthy bacteria in the GI tract. D. allergy to casein (milk protein).
Which of the following is not true of folate?
a. It comes in two forms. b. It is involved in DNA synthesis. c. Its bioavailability is the same whatever the source. d. It is involved in converting vitamin B12 to one of its coenzyme forms. e. It regenerates the amino acid methionine from homocysteine.
Which of the following vitamin deficiencies causes pellagra?
A) Vitamin B2 deficiency B) Niacin deficiency C) Vitamin B12 deficiency D) Thiamin deficiency