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PTECH Physiology QUESTION #3202
Question 1
Which hormone acts on the collecting ducts to increase water reabsorption (concentrating the urine)?
  • Insulin
  • Aldosterone
  • Anti-Diuretic Hormone (ADH)✔️
  • Thyroxine
Correct Answer Explanation
ADH (Vasopressin) inserts aquaporins into the duct walls to save water.