The 65-year-old woman brags that by using the MyPyramid guidelines for nutrition, she has lost 15 pounds. The nurse reminds her that in order to maintain the weight loss, she must be physically active for:
a. 15 to 20 minutes a day.
b. 20 to 30 minutes a day.
c. 30 to 40 minutes a day.
d. 40 to 60 minutes a day.
ANS: D
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