Which of the following statements concerning vitamin D is incorrect? Vitamin D A) can be synthesized by the skin on exposure to sunlight. B) must be modified by biochemical alterations within the liver and kidneys before it is biologically active. C) enhances the effect of calcitonin on bone. D) increases Ca²⁺ absorption in the intestine. E) deficiency in children results in rickets.

Question

Quizplus · Accepted Answer

Vitamin D acts to increase calcium absorption and bone mineralization, but it does not enhance the effect of calcitonin on bone. Calcitonin is a hormone that reduces calcium levels in the blood by inhibiting calcium release from bones.

Which of the Following Statements Concerning Vitamin D Is Incorrect