Q. The hormone that increases the blood calcium level and decreases its excretion by kidney is

A) Parathormone
B) Calcitonin
C) Thyroxine
D) Insulin
Explanation

Parathormone secreted by parathyroid gland regulates the calcium and phosphate balance between the blood and the other tissues. It increases the plasma ${Ca}^{2 +}$represses plasma phosphate and decreases ${Ca}^{2 +}$ excretion by the kidney.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.