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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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.
All of the following foods are good sources of bioavailable calcium except:
a. milk. b. sardines. c. cheddar cheese. d. spinach.
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
The term "reduced" on a food package labels means _____% less than the original product
A) 5 B) 10 C) 15 D) 20 E) 25