Calcium absorption from gut is enhanced by: (A) Parathyroid hormone, (B) Calcitonin, (C) 1,25 dihydroxy cholecalciferol, (D) All
Answer is C. Calcitriol -1,25-dihydroxycholecalciferol; a form of vitamin D used as a calcium regulator in the management of hypocalcemia in conditions such as rickets, osteodystrophy, hypoparathyroidism, and complications of renal dialysis; administered orally or intravenously.Ref: Ganong&;s review of medical physiology; 24th edition; page no:-377