A patient with hypertension is taking a potent antihypertensive without results. The patient is concerned when the health care provider orders a new drug. The nurse explains,
1. "The drug you took is very potent, and a higher dose is needed."
2. "The new drug has greater efficacy, so it will help reduce your blood pressure."
3. "The prescriber must have made an error in the orders."
4. "Efficacy in treating your hypertension is more important than potency."
5. "You are correct. I think the prescriber meant to order both drugs."
Correct Answer: 2,4
Rationale 1: A higher dose of a potent drug may cause more serious adverse effects without greater efficacy.
Rationale 2: Efficacy is more important than potency in providing blood pressure control.
Rationale 3: This is not an appropriate response by the nurse.
Rationale 4: Efficacy is more important than potency in pharmacologic treatment.
Rationale 5: This is not an appropriate response, and the nurse cannot assume the order was supposed to be for two drugs.
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