For public health purposes, the level of fluoridation in public water supplies should be:
a. 0.5 ppm.
b. 1.0 ppm.
c. 2.0 ppm.
d. 3.5 ppm.
B
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A patient with lactose intolerance might tolerate which of the following dairy products?
a. cottage cheese b. parmesan cheese c. nonfat milk d. condensed milk
Which of the following statements is NOT true regarding theories of aging?
a. Free radical damage is known to promote chronic conditions including heart disease, cataracts, and some cancers. b. Scientists postulate that if they could shorten the telomeres of chromosomes more slowly than happens naturally, cell senescence could be delayed. c. Protein cross-links form because of exposure to high glucose levels, resulting in adverse changes in tissue and organ function. d. Cells from long-lived species (such as humans) have higher Hayflick limits than cells from shorter-lived species (such as mice or rats).
A major nutrition-related concern of adolescent females is ________ intake.
A. high calcium B. high protein C. low iron D. low niacin
All men and women experience the same types of symptoms when they are having a heart attack
a. True b. False Indicate whether the statement is true or false