NEET Biology question

The hormone that increases the blood calcium level and decreases its excretion by kidney is

(A)ParathormoneCorrect
(B)Calcitonin
(C)Thyroxine
(D)Insulin

Answer: (A)

Solution

Calcitonin lowers (not raises) blood calcium, while thyroxine and insulin have no direct role in calcium homeostasis. Parathormone (PTH), secreted by the parathyroid gland, raises blood calcium by

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Question ID VK-128672