Multiple Choice
What is/are the main function(s) of vitamin D?
A) It promotes secretion of calcitonin.
B) It promotes synthesis of 7-dehydrocholesterol.
C) It promotes synthesis of carotenoids and controls absorption of fat-soluble vitamins.
D) It promotes calcium and phosphorus absorption and promotes calcium mobilization from bone.
Correct Answer:

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Correct Answer:
Verified
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