If Blood Calcium Levels Rise Above 11mg/dL Which Hormone Is

Question

If blood calcium levels rise above 11mg/dL which hormone is likely to be activated?
A) parathyroid hormone
B) estrogen
C) calcitonin
D) calcitriol
E) both calcitriol and parathyroid hormone

Accepted Answer

Calcitonin is the hormone that is activated when blood calcium levels rise above normal, as it helps to lower the calcium levels in the blood by inhibiting the activity of osteoclasts, which are cells that break down bone to release calcium into the bloodstream.