RDAs are not used in food labeling because
A. they are age- and sex-specific.
B. they are too generic.
C. their values are set too high.
D. there are too many of them.
Answer: A
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The structure of a triglyceride is:
a. 4 fatty acids and a glycerol. b. 1 fatty acid and a glycerol. c. 3 fatty acids and a glycerol. d. 2 fatty acids and a glycerol.
Jonathan is on his school's cross-country ski team. He finds that his weight drops about 1 pound after skiing for a few hours. What accounts for this difference? a. Jonathan has lost one pound of body fat
b. Jonathan has lost one pound of muscle tissue. c. Jonathan has lost two cups of fluid. d. Jonathan has lost some bone and some fat. e. Jonathan has lost primarily fat and some glycogen.
Which of the following physiological changes is a result of catabolic chemical reactions?
A. Weight gain as a result of overeating B. Muscle mass enlargement as a result of lifting weights C. Weight loss as a result of starvation D. Bone growth as a result of hormonal stimulation during puberty
Forty-three-year-old Joseph Delgado is an electrician for a utility company. His past medical history is unremarkable with no problems. He is admitted to the ICU (intensive care unit) with severe electrical burns to his hands, arms, and chest (20-30 percent body surface area). The registered dietitian is completing her initial assessment for Mr. Delgado. When estimating his energy needs she
selects ____ for his stress factor. A) 1.0 B) 1.4 C) 1.8 D) 2.2