The secretion of parathyroid hormone is controlled primarily by the
A) hypothalamus.
B) blood calcium concentration.
C) thyroid gland.
D) anterior pituitary gland.
E) posterior pituitary gland.

Question

Quizplus · Accepted Answer

The secretion of parathyroid hormone is primarily regulated by the concentration of calcium in the blood. When blood calcium levels decrease, parathyroid hormone is released to promote the release of calcium from bones and increase absorption of calcium from the intestines and kidneys. When blood calcium levels are high, parathyroid hormone secretion decreases.

The Secretion of Parathyroid Hormone Is Controlled Primarily by the