Physiology Renal physiology 0601d64a True about calcium in kidney is A Most reabsorption occurs in DCT B Major regulating factor is parathormone C Parathormone decreases calcium absorption D Increased plasma phosphate decreases calcium resorption High-Yield Explanation Parathormone secreted by parathyroid glands regulates the blood calcium level. Ref: guyton and hall textbook of medical physiology 12 edition page number: 495,496,497