Hereditary hemochromatosis is caused by a genetic defect that results in
A. insufficient iron excretion.
B. insufficient storage of iron.
C. excessive iron absorption.
D. excessive desire for iron-rich foods.
C
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Which of the following common activities is more vigorous and requires less time to derive benefits?
A. washing windows for 45 minutes B. stair-walking for 15 minutes C. gardening for 30 minutes D. pushing a stroller 1.5 miles in 30 minutes E. raking leaves for 45 minutes
The most important factor in determining whether a person is fat or lean is the person's:
a. weight. b. body mass index. c. body composition. d. gender.
The American Heart Association concludes that future gains in heart health among Americans will stem primarily from _____
a. improved dietary intakes b. improved hypertension medications c. improved hyperlipidemia medications d. decreased stress e. decreased caffeine consumption
________________________ is a dynamic contraction that occurs when the speed of muscle movement is held constant through the full range of joint motion
a. concentric b. eccentric c. isokinetic