Parathyroid hormone (PTH) is secreted by the chief cells of the parathyroid glands in direct response to hypocalcemia. It acts quickly through three main mechanisms to restore extracellular calcium levels to normal:
Which hormone plays the major regulatory role in hypocalcemia?
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Question context
This question is part of 🧫 Biotechnology within the broader 🧬 Medical Science subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.