The best source(s) of fluoride is/are __________.
a. cereals with added fluoride
b. fluoride supplements
c. fluoridated water
d. fluoride treatments from a dentist
Ans: c. fluoridated water
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The average length of life of people of a given age or from birth is referred to as _____
a. chronological age b. life expectancy c. functional age d. longevity e. biological age
Which of the following describes the effect of vitamin A in foods?
a. Fast-food French fries are good sources of vitamin A. b. Arctic explorers who have eaten large quantities of polar bear liver have become ill with symptoms suggesting vitamin A toxicity. c. To date, scientists have been unable to solve the problem of vitamin A deficiencies in developing countries. d. Chlorophyll in vegetables can be converted to active vitamin A in the intestinal cells. e. Pregnant women should eat at least one ounce of beef liver per day to help ensure normal fetal eye development.
________ is the federal agency that enforces standards for wholesomeness and quality of meat, poultry, milk, and eggs.
A. The United States Department of Agriculture (USDA) B. The Food and Drug Administration (FDA) C. The Federal Trade Commission (FTC) D. The Environmental Protection Agency (EPA)
Direct calorimetry is a method of estimating energy use that compares the amount of oxygen consumed to the amount of carbon dioxide expired.
a. true b. false