Question

Select the correct statement about hormones and their actions.

(a) Parathyroid hormone increases K+absorption of the body.

(b) Insulin and glucagon helps to maintain blood sugar levels

(c) Old aged people have weak immunity due to increased activity of thymus.

(d) Osteoporosis in ***** occurs due to increased levels of oestrogens.

Answer 1

Correct option (b) Insulin and glucagon helps to maintain blood sugar levels

Explanation :

Parathyroid hormone (PTH) stimulates the reabsorption of Ca2+ by renal tubules and increases Ca2+ absorption from digested food. It means PTH increases the blood Ca2+ level. Old aged persons have weak immunity because thymus is degenerated in old individuals resulting in a decreased production of thymosin. Oestoporosis in ***** occurs due to decreased level of oestrogen.