Studies conducted in amenorrheic distance runners suggest that:
a. long-duration, weight-bearing exercise compensates for the loss of bone mineral density associated with amenorrhea.
b. bone mineral density declines in the first six months and then stabilizes due to long-duration, weight-bearing exercise.
c. osteopenia and osteoporosis do occur despite long-duration, weight-bearing exercise.
d. loss of bone mineral density is primarily a result of very low calcium intake, not exercise.
c
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Which of the following organs are considered primary organs of the gastrointestinal tract?
A) mouth, small intestine, large intestine B) mouth, liver, stomach C) pancreas, gall bladder, kidney D) heart, lungs, stomach
The most effective way to increase the incidence and duration of breast-feeding among clients receiving prenatal care is to:
a. post breastfeeding posters in the waiting room b. conduct prenatal breast-feeding classes c. show breast-feeding videotapes in the waiting room d. implement a breast-feeding peer counselor program
Indicate whether each vitamin is classified as water or fat soluble. Pantothenic acid
a. Water-soluble vitamin b. Fat-soluble vitamin
Lipoproteins are classified according to their _____
A) structure B) mobility and density C) chemical composition D) location in the body