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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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.
________________________ 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
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
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