Question 69 of 87
Q.Calcium and Phosphate ions are balanced between blood and other tissues by _______.
(a) Thymosin and Parathormone
(b) Calcitonin and Somatostatin
(c) Collip's hormone and Calcitonin
(d) Calcitonin and Thymosin
Maharashtra MsbshseMaharashtra HSC (MSBSHSE) Board 2023MCQ· 1mImportance★★★★★
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Blood calcium and phosphate levels are jointly regulated by parathormone (Collip's hormone, from the parathyroid) and calcitonin (from the thyroid's C-cells).
Parathyroid hormone (PTH), also historically called Collip's hormone after James Collip who first isolated it, raises blood calcium and lowers blood phosphate by promoting bone resorption, renal calcium reabsorption/phosphate excretion, and activation of vitamin D. Calcitonin, secreted by the parafollicular (C) cells of the thyroid gland, has the opposite action - it lo …
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