Question

ADH responsible for reabsorption of water and reduction of urine secretion is released by

• A. Posterior pituitary gland
• B. Juxtaglomerular apparatus
• C. Anterior pituitary gland
• D. Hypothalamus

Answer 1

The correct option is A Posterior pituitary gland

ADH secretion is regulated by plasma osmolality. If osmolality increases it stimulates secretion of ADH which act at the collecting duct of nephron where it causes the reabsorption of only water and produces the concentrated urine.

So, the correct answer is 'Posterior pituitary gland'.