Increased calcium levels lead to: (A) Increased 1,25 dihydroxycholecalciferol, (B) Increased 24,25 dihydroxycholecalciferol, (C) Decreased calcitonin, (D) Increased parathormone
Answer is B. 24,25-dihydroxycholecalciferol; a metabolite in calcium metabolism, formed in the kidney from 25-hydroxycholecalciferol by the activation of a 24-hydroxylase.Ref: Ganong&;s review of medical physiology; 24th edition; page no:-379