The American Heart Association recommends that all adults participate in at least _____ minutes of moderate-intensity physical activity per week
a. 60 b. 90
c. 120 d. 150
d
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The most variable component of an individual's total energy expenditure is:
a. basal metabolism b. thermic effect of food c. activity energy expenditure d. meal timing and composition e. none of the above
Which of the following cells of the large intestine secrete mucus?
A. Chief cells B. Goblet cells C. Parietal cells D. Pancreatic cells
Why are there several ethnic variations of the 2005 MyPyramid?
A) to account for variations in activity level B) to account for individual variances in gender and age C) to guide individuals when eating out in different types of restaurants D) to allow for culturally and ethnically different food choices
Which of the following BEST describes exercise?
A) leisure physical activity that is purposeful, planned, and structured B) any movement produced by muscles that increases energy expenditure C) maximal force or tension level that can be produced by a muscle group D) ability to move a joint fluidly through the complete range of motion