Which of the following describes the mechanism of action of metoclopramide in managing nausea?
A. blocking dopamine, which affects the vomiting center in the brain
B. increasing the effectiveness of other antiemetics
C. strengthening the pyloric sphincter to increase gastric emptying
D. reducing the effect of prostaglandins
E. blocking substance P in the brain, which has a direct effect on the vomiting center
Answer: A
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The usual pH of gastric juice is approximately
a. 2 b. 4. c. 6 d. 7.
Which federal agency establishes standards for safe food manufacturing practices, such as HACCP programs?
A. USDA B. FDA C. FTC D. EPA
Complex Carbohydrates--Starch
What will be an ideal response?
Nutritional epidemiology ____
a. is a fairly new area of study
b. focuses on the role of Western diet and chronic disease
c. always utilizes controlled, clinical trial protocols
d. currently focuses on deficiency diseases