Question

Which hormone works directly in the intestine to increase plasma calcium levels? hints which hormone works directly in the intestine to increase plasma calcium levels? calcitriol calcitonin parathyroid hormone (pth)?

Answer 1

Calcitriol, aka vitamin D (di-hydroxy, cholecalciferol), works as a hormone directly in the intestine to increase plasma calcium levels.

**It also works as a hormone directly on the kidneys as well, to prevent calcium loss in the urine.