Question
Calcitonin is a thyroid hormone which
Elevates potassium level in the blood
Lowers calcium level in a blood
Elevates calcium level in the blood
Has no effect on calcium
Solution
B.
Lowers calcium level in a blood
Calcitonin is a polypeptide hormone which lowers calcium and phosphate levels of plasma by inhibiting bone degradation and stimulating their uptake by bone. Parathyroid hormone elevates calcium level in blood.
