Multiple Choice

1. The average healthy body is composed of ________ water.

A. 0-40 percent

B. 30-50 percent

C. 45-75 percent

D. 80-100 percent

2. Factors that determine the distribution of water in the body include all of the following except

A. height.

B. age.

C. gender.

D. body composition.

3. What is the approximate percentage of water in muscle tissue?

A. 30 percent

B. 45 percent

C. 65 percent

D. 90 percent

4. What is the approximate percentage of water in fat tissue?

A. 10-40 percent

B. 40-60 percent

C. 60-70 percent

D. 70-90 percent

5. Who has more body water by percent body weight?

A. a sedentary adult female (40 years)

B. a sedentary adult male (40 years)

C. an adult female athlete (45 years)

D. a week-old infant

6. A liquid in which substances dissolve is called a(n)

A. lubricant.

B. solvent.

C. enzyme.

D. acid.

7. Water can be described as

A. a lubricant.

B. a heat buffer.

C. a solvent.

D. all of the above

8. Which of the following properties of water allow it to help maintain body temperature?

A. polarity

B. specific heat

C. universal solvency

D. transport capacity

9. Under normal conditions, which of the following contributes the most to loss of body water?

A. stools

B. lungs

C. sweat

D. urine

10. Which of the following food groups contains the most water?

A. fruits and vegetables

B. grains

C. meats

D. nuts and oils