A client has diabetes insipidus and receives desmopressin (DDAVP). The nurse completes medication education and evaluates that learning has occurred when the client makes which statement?
1. "This medication is a potent vasodilator; my blood pressure can fall."
2. "This medication promotes diuresis in my body; my blood pressure can fall."
3. "This medication increases water reabsorption in my kidneys."
4. "This medication suppresses hormone secretion from my posterior pituitary gland."
Correct Answer: 3
Rationale 1: Desmopressin is a potent vasoconstrictor, not a vasodilator, and can cause blood pressure to rise, not fall.
Rationale 2: Desmopressin promotes water retention; blood pressure can rise, not fall.
Rationale 3: Desmopressin is the same as ADH (antidiuretic hormone), and acts on the collecting ducts in the kidney to increase water reabsorption.
Rationale 4: Desmopressin does not suppress hormone secretion from the posterior pituitary gland.
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