Stimulus for the secretion of parathyroid hormone is a decrease in serum
A)potassium levels.
B)calcium levels.
C)calcitonin levels.
D)phosphate levels.
E)sodium levels.

Question

Quizplus · Accepted Answer

Parathyroid hormone is primarily responsible for maintaining calcium homeostasis. When calcium levels decrease in the blood, the parathyroid glands are stimulated to secrete more parathyroid hormone. This hormone acts on the bones, kidneys, and intestines to increase calcium levels in the blood.

Stimulus for the Secretion of Parathyroid Hormone Is a Decrease