Parathyroid Hormone is the Major Regulator of Which Ions in the Blood

Question

Parathyroid hormone is the major regulator of which ions in the blood?
A) calcium
B) sodium
C) potassium
D) chloride
E) manganese

Accepted Answer

Parathyroid hormone primarily regulates calcium levels in the blood by increasing calcium absorption in the intestines, reabsorption in the kidneys, and releasing calcium from bones.