Question

78.

Which hormone is responsible for retention of sodium in the kidneys?

Select one:

a. Antidiuretic hormone

b. Calcitonin

c. Aldosterone

d. Cortisol

e. Glucagon

Answer 1

78. Answer: Aldosterone. ( Option C)

Hormone that is responsible for retention of sodium in the kidney.

Aldosterone: Aldosterone is a mineralocorticoid hormone, secreted by the adrenal cortex , that regulates the balance of Sodium and potassium in the body. Aldosterone is secreted by the adrenal cortex of Adrenal gland in the body . The main function of Aldosterone is to retain sodium by acting on distal renal tubule and collecting duct of Nephrones. Thus causes water retention also. Thus increasing the blood pressure. Aldosterone helps in the secretion of Potassium also.

Wrong options:

Option A : Anti Diuretic hormone, secreted from posterior Pituitary gland and regulates urine production by causing water retention.

Option B: Calcitonin, A hormone secreted by the Parenchymal cells of thyroid gland and it regulates Calcium and phosphate metabolism.

Option D: Cortisol, The steroid hormone produced by adrenal cortex of the body. As medicine its name is hydrocortisone . it regulates metabolism and control immune response.

Option E : Glucagon, A hormone produced by Pancreas , that opposes the action of insulin by stimulating the production of sugar.