Which of the following does NOT describe a role that calcitonin plays when blood calcium levels are elevated?
A) Calcitonin limits calcium absorption in the intestine.
B) Calcitonin inhibits osteoclasts from breaking down bone.
C) Calcitonin prevents the reabsorption of calcium in the kidney.
D) Calcitonin stimulates the action of vitamin D.

Question

Quizplus · Accepted Answer

Calcitonin does not stimulate the action of vitamin D. Instead, it works to directly decrease blood calcium levels by inhibiting osteoclast activity and promoting calcium excretion in the kidneys, as well as indirectly by decreasing calcium absorption in the intestines. Vitamin D, on the other hand, increases calcium absorption and promotes bone growth.

Which of the Following Does NOT Describe a Role That