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Questions and Answers
Which vitamin D form is the biologically active one?
Which vitamin D form is the biologically active one?
- 1,25-dihydroxyvitamin D (calcitriol) (correct)
- Cholecalciferol (D3)
- 25-hydroxyvitamin D
- Ergocalciferol (D2)
Where is vitamin D converted to calcidiol?
Where is vitamin D converted to calcidiol?
- Kidneys
- Liver (correct)
- Skin
- Intestines
What is the role of active vitamin D in the intestines?
What is the role of active vitamin D in the intestines?
- Stimulate calcium retention in the kidneys
- Increase bone breakdown
- Increase calcium and phosphorus absorption (correct)
- Support mineralization of bones
What condition does vitamin D deficiency cause in children?
What condition does vitamin D deficiency cause in children?
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How much is the daily Recommended Dietary Allowance for adults?
How much is the daily Recommended Dietary Allowance for adults?
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What is the function of calcitriol in the kidneys?
What is the function of calcitriol in the kidneys?
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Which vitamin D form is derived from animals?
Which vitamin D form is derived from animals?
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