Pediatrics Enuresis persists, and the patient is placed on desmopressin acetate (DDAVP). This medication works which of the following mechanisms? A Decrease detrusor muscle tone B Improves aleness of the patient during the sleep cycle C Increase external sphincter contraction D Increase water permeability and reabsorption in collecting tubules 💡 Explanation Enuresis persists, and the patient is placed on desmopressin acetate (DDAVP). This medication works which of the following mechanisms? ✓ Correct Answer: D. Increase water permeability and reabsorption in collecting tubules