The pituitary gland,by virtue of its tropic hormones,controls the secretory activity of other endocrine glands. Which one of the following endocrine glands can function independently of the pituitary gland?

Which of the following are not the effects of Parathyroid hormone $(PTH)$?
$(a)$ Stimulates the process of bone resorption
$(b)$ Decreases $Ca^{2+}$ level in blood
$(c)$ Reabsorption of $Ca^{2+}$ by renal tubules
$(d)$ Decreases the absorption of $Ca^{2+}$ from digested food
$(e)$ Increases metabolism of carbohydrates
Choose the most appropriate answer from the options given below:

Deficiency of parathormone in humans leads to .....

The hormone that maintains the levels of calcium and phosphorus in the blood is secreted by which of the following?

The blood calcium level is lowered by the deficiency of

Parathormone deficiency produces muscle cramps or tetany as a result of: