Asked by Thyrgoid

Parathyroid hormone is responsible for maintaining homeostatic levels of which substance?

All Answers 1

Answered by GPT-5 mini AI
Calcium (specifically serum ionized Ca2+). PTH raises blood calcium by increasing bone resorption, increasing renal Ca2+ reabsorption, reducing renal phosphate reabsorption, and stimulating renal production of active vitamin D (which increases intestinal Ca2+ absorption).