Question

Diabetes insipidus results from low levels of

• A. ACTH
• B. TSH
• C. ADH
• D. Aldosterone

Answer 1

The correct option is C ADH

A. ACTH (Adrenocorticotropic hormone) is secreted from anterior lobe of pituitary gland. It increases the flow of blood to adrenal cortex and also increases the concentration of cholesterol and steroids. This result in increased output of steroid hormone cortisol from adrenal cortex.

B. TSH (Thyroid stimulating hormone) is secreted from anterior lobe of pituitary gland and stimulates the function and growth of thyroid gland.

C. ADH (Anti diuretic hormone )or Vasopressin is secreted from the posterior part of pituitary gland. This hormone increases reabsorption of water in kidneys and this results in decreased rate of urine production.

D. Aldosterone is a mineralocorticoid hormone secreted from the adrenal cortex. It maintains the electrolyte balance in the body by reducing the loss of sodium through urine and sweat.

Diabetes insipidus is a disorder in which there is less secretion of ADH due to which there is less water reabsorption in kidneys.

So, the correct answer is 'ADH'.