Physiology Test Question

The most important physiological stimulus for increasing parathyroid hormone (PTH) secretion from the parathyroid glands is:

	(A) increased plasma calcitonin concentration
	(B) increased plasma vitamin D concentration
	(C) increased plasma phosphate concentration
	(D) decreased plasma calcium concentration
	(E) decreased plasma phosphate concentration

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Posted: Tuesday, November 10, 2015
Last updated: Tuesday, November 10, 2015

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