Chemical Coordination and Regulation Question 51
51. Calcitonin is a thyroid hormone which [1998]
(a) lowers calcium level in blood
(b) elevates calcium level in blood
(c) has no effect on calcium
(d) elevates potassium level in blood
Show Answer
Answer : a
Hints & Solutions
(a) Calcitonin is a polypeptide hormone which lowers calcium and phosphate level of plasma by inhibiting bone degradation and stimulating their uptake by bone. Parathyroid hormone elevates calcium level in blood.
