Water constitutes ________ percent of body weight.

A. 10 to 20
B. 50 to 70
C. 25 to 45
D. 75 to 95


Answer: B

Nutritional Science

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Approximately what percentage of an average teenager’s daily food energy intake is derived from snacks?

a. 15% b. 25% c. 35% d. 50% e. 75%

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Dietary proteins must be completely hydrolyzed to free amino acids, because only free amino acids are absorbed by the enterocyte

Indicate whether the statement is true or false

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Which of the following is NOT an approved health claim for food and disease prevention?

a. Folic acid and neural tube defects b. Calcium and osteoporosis c. Calcium and arthritis d. Whole grains and heart disease

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A woman in her late forties wanted to increase the likelihood of becoming pregnant. She bought natural estrogen capsules over the Internet and increased her dietary fat intake. What information would be important for her to understand?

a. Females are born with their lifetime supply of eggs. b. Estrogen may have an inhibitory effect on fertility. c. Weight gain can lead to infertility. d. Infertility increases with increasing age. e. All of the above

Nutritional Science