What is the most accurate statement about the body's water balance?
a. The reference man and woman both need8 cups of fluid from beverages daily.
b. All water must come from beverages because foods don't contain enough to contribute to intake.
c. Fluid needs for an individual person are the same every day.
d. Water intoxication can occur witheven a few too many cups of water.
e. Metabolic water is generated in the tissues as a product of chemical reactions.
Q. 2Water excretion is regulated by the brain and the:
a. bloodstream.
b. kidneys.
c. stomach.
d. salivary glands.
e. pituitary gland.
Q. 3The first sign of dehydration is:
a. headache.
b. confusion.
c. thirst.
d. fatigue.
e. stomachache.
Q. 4Water assists in:
a. gene expression.
b. immune protection.
c. acid-base regulation.
d. temperature regulation.
e. providing rigidity to bones and teeth.
Q. 5Which of the following makes up about 60 percent of the body's weight?
a. major minerals
b. protein
c. water
d. trace minerals
e. gastrointestinal tract
Q. 6Authorities recommend foods as a source of calcium in preference to calcium supplements.
a. True
b. False
Indicate whether the statement is true or false
Q. 7Whether a person develops osteoporosis seems to depend partly on heredity and partly on the environment, including nutrition.
a. True
b. False
Indicate whether the statement is true or false
Q. 8The primary role of fluoride is to prevent dental caries throughout life.
a. True
b. False
Indicate whether the statement is true or false
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