A Client Is Taking Verapamil for Hypertension, Glucotrol for Management

A client is taking verapamil for hypertension, Glucotrol for management of type II diabetes, and melatonin for sleep. Which question should the nurse ask about these medications?

A) "How is the melatonin helping you with sleep?"
B) "How long have you been taking the verapamil for blood pressure control?"
C) "What was the result of your last hemoglobin A1C level?"
D) "What was your blood pressure before you began taking the verapamil?"