The FITT principle suggests that the optimal frequency of physical activity to achieve cardiorespiratory fitness is
A) 2 to 5 days per week. B) 3 to 6 days a week.
C) 2 to 3 days per week. D) 7 days a week.
B
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All of the following foods are good sources of bioavailable calcium except:
a. milk. b. sardines. c. cheddar cheese. d. spinach.
The term "reduced" on a food package labels means _____% less than the original product
A) 5 B) 10 C) 15 D) 20 E) 25
Age-associated physiological system changes that affect nutritional health include _____
a. reduced secretion of saliva b. increased levels of estrogen and testosterone c. enhanced appetite regulation d. regulated breathing capacity e. increased blood flow
Knowledge of how food preferences develop and change is obtained by the following scientific methods:
a. food science. b. biological studies. c. chemical studies. d. behavioral and social sciences.