A Patient Who Has Angina Is Taking Nitroglycerin and Long-Acting

A patient who has angina is taking nitroglycerin and long-acting nifedipine.The primary care NP notes a persistent blood pressure of 90/60 mm Hg at several follow-up visits.The patient reports lightheadedness associated with standing up.The NP should consult with the patient's cardiologist about changing the medication to:

A) amlodipine (Norvasc) .
B) isradipine (DynaCirc) .
C) verapamil HCl (Calan) .
D) short-acting nifedipine (Procardia) .