Which of the Following is Most Likely to Cause the Secretion

Question

Which of the following is most likely to cause the secretion of calcitonin?
A) Hypocalcemia
B) Hyperglycemia
C) Dehydration
D) Elevated plasma calcium level

Accepted Answer

Calcitonin is secreted in response to elevated plasma calcium levels, in order to promote calcium excretion and decrease calcium reabsorption in the kidneys, ultimately lowering blood calcium levels.