Which hormone released from the posterior pituitary increases water reabsorption in the collecting duct?

Answer and explanation

Correct answer: A. Antidiuretic hormone

  1. Step 1: ADH inserts aquaporins in the collecting duct. Answer: Antidiuretic hormone. Why not the others: Oxytocin acts on the uterus and breast, aldosterone retains sodium and ANP promotes sodium loss.

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