Multiple choice Absorption of H2O in DCT is controlled by which of the following? ACTH LH ADH Oxytocin Reveal answer Fill a bubble to check yourself C Correct answer Explanation Antidiuretic hormone (vasopressin) is produced by the hypothalamus in the brain and is stored in the posterior pituitary gland at the base of the brain. In kidneys, it regulates the absorption of water in distal convoluted tubules of nephrons.