Which of the following is not true of calcitonin?
A) It is made in the thyroid gland.
B) It increases blood calcium.
C) It decreases blood calcium.
D) It increases calcium in the bone.

Question

Quizplus · Accepted Answer

Calcitonin decreases blood calcium levels by inhibiting the action of osteoclasts, which break down bone tissue to release calcium into the blood. It is produced by the thyroid gland and helps to increase calcium deposition in bone tissue. Therefore, option B is incorrect as it is the opposite of what calcitonin does.

Which of the Following Is Not True of Calcitonin