Regular sessions of weight-bearing exercise slow and possibly prevent bone loss
a. True
b. False
Indicate whether the statement is true or false
True
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Back pain is related to which of the following?
A) aerobic exercise B) high blood pressure C) bed rest D) inadequate muscle strength in the abdomen and lower back
Ron's diet lacks niacin. He hasn't developed pellagra, because he consumes a high-protein diet that contains plenty of ________, the precursor for niacin.
A. tryptophan B. alanine C. beta-carotene D. alpha-tocopherol
Which of the following is a feature of vitamin D synthesis?
a. Tanning lamps and tanning booths do not stimulate vitamin D synthesis b. Sunscreens with sunburn protection factors of 2 and above prevent synthesis of vitamin D c. The ultraviolet rays of the sun are able to easily pierce heavy clouds and smog to promote vitamin D synthesis d. Dark-skinned people require longer sunlight exposure than light-skinned people to synthesize equivalent amounts of vitamin D
The amount of vitamin D needed in pregnancy can be obtained by consumption of fortified milk and
a. low-mercury fish. b. exposure to the sun. c. tropical fruit juices. d. vitamin D supplements.