Prescription drugs are given over-the-counter (OTC) status when ____
A) 20 years have passed since the drug was first released
B) they are considered safe enough for self-medication
C) the bioavailability of the drug is similar to that of a generic preparation
D) their mechanism of action outweighs their side effects
B
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Most fruits are about _____% water.
A. 50 B. 75 C. 85 D. 95
Nutrition interventions are intended to positively change:
A. food and nutrient delivery and intake B. the scope of practice for the dietitian C. the client's knowledge of vitamins and minerals D. beliefs surrounding food preparation E. cultural biases toward meal planning
A group of 50 adult male humans were in a clinical study to determine how much niacin is toxic. During the first two weeks of the study, members of the group consumed only a formula diet that was nutritionally complete, except it contained 24 mg niacin, which is 1.5 times the RDA for niacin (males). At that point in the study, all members reported feeling fine, and they could function normally. During the next week, they were given a formula that contained 48 mg niacin. Within a few days of consuming this formula, 90% of the participants reported feeling ill, and they complained of having upset stomachs and reddened facial skin. At that point, researchers gave the subjects a formula that contain 16 mg niacin. After a week of consuming the new formula, all participants reported feeling
well again. Based on this information, the researchers concluded that the A. UL for niacin was between 24 and 48 mg/day. B. human requirement for niacin is 16 mg/day. C. EER for niacin was 16 mg/day. D. AMDR for niacin is between 16 and 24 mg/day.
________ is a major source of sodium and chloride in the typical American's diet.
A. Yogurt B. Processed food C. Fresh fruit D. Tap water