Active from of vitamin D is:: (A) Cholecalciferol, (B) 24, 25 (OH) 2 Vit-D, (C) 1, 25 (OH) 2 Vit-D, (D) 25-OH Vit-D
Answer is C. Ans. (c) 1, 25 (OH) 2 Vit-D(Ref: Ganong, 25th ed/p.377)The active form of vitamin D is called 1, 25- dihydroxycholecalciferol or calcitriol