Which of the following is NOT a direct effect of parathyroid hormone (PTH)? A) Increased Ca²⁺ uptake by the small intestine B) Increased vitamin D formation in the kidneys C) Increased Ca²⁺ reabsorption by the kidneys D) Decreased Ca²⁺ loss by the kidneys E) All of the choices are direct effects of PTH.

Question

Quizplus · Accepted Answer

Increased calcium uptake by the small intestine is an indirect effect of PTH, mediated through its action on vitamin D activation in the kidneys, which then increases intestinal calcium absorption.

Which of the Following Is NOT a Direct Effect of Parathyroid