A nurse is discussing the role of vitamin D in calcium regulation with a nursing student. Which statement by the student indicates a need for further teaching?
a. "Adequate amounts of vitamin D occur naturally in the diet."
b. "Vitamin D3 is preferred over vitamin D2."
c. "Vitamin D can promote bone decalcifi-cation."
d. "Vitamin D increases the absorption of calcium and phosphorus from the intes-tine."
A
Vitamin D does not occur naturally in the diet. Adequate amounts are gained through fortified foods, supplements, and exposure to sunlight. Vitamin D3 is preferred. If calcium intake is not sufficient, vitamin D can promote bone decalcification. Vitamin D acts to increase the absorption of calcium and phosphorus from the intestine.
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Which of the following federal agencies is responsible for administering most of the federal health-related activities?
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