______ are studies that explore the effects of altering people's diets.
a) Animal studies
b) Clinical trials
c) Epidemiological studies
d) Molecular biology studies
Answer: b) Clinical trials
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An important function of fat in the body is to
a. build muscle tissue. b. regulate blood glucose levels. c. protect vital organs against shock. d. provide precursors for glucose synthesis.
The release of the hormone gastrin results in the:
A) flow of food from the esophagus to the stomach. B) dispersion of large globules of fat into smaller droplets. C) neutralization of chyme which is acidic in nature. D) vigorous contraction of the muscular wall of the stomach.
For a food manufacturer to make a health claim concerning fiber and heart disease, the food must provide at least 15% of the Daily Reference Value for fiber
Indicate whether the statement is true or false
Supplements of the water-soluble vitamins ________ and ________ are most likely to cause toxicity symptoms.
A. vitamin B-12; pantothenic acid B. thiamin; riboflavin C. vitamin B-6; vitamin C D. biotin; vitamin B-12