alleryPTH promotes conversion of vitamin D into which active form?
A25-hydroxyvitamin D3
B1,25-dihydroxyvitamin D3
CErgocalciferol (D2)
D7-dehydrocholesterol
Answer & Solution
Correct answer: B. 1,25-dihydroxyvitamin D3
PTH stimulates formation of 1,25-dihydroxyvitamin D3, which boosts gut calcium absorption.
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