Which of the following is a feature of physical activity and bone health?
a. Dancing is not an effective activity for helping maintain bone density
b. Weight training improves bone density in young but not older women
c. Working the muscles places stress on bones, which promotes bone density
d. Weight-bearing activities are effective in maintaining bone mass in adults but not in adolescents
c
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What is the approximate niacin RDA for adults?
a. 15 mg niacin equivalents b. 30 mg niacin equivalents c. 15 mg tryptophan equivalents d. 30 mg tryptophan equivalents
A 10-year-old boy is going through a growth spurt. What should his nitrogen status be, given that he needs to build new muscle tissue?
a. Nitrogen equilibrium b. Negative nitrogen balance c. Positive nitrogen balance d. Nitrogen excess e. Nitrogen deficiency
Which additive in cake acts as a preservative?
A. cellulose gum B. high-fructose corn syrup C. lactose D. potassium sorbate
Alcohol absorption occurs in the ________.
A. stomach B. esophagus C. small intestine D. stomach and small intestine