A 52-year-old man presents to the clinic for follow-up on his persistently elevated blood pressure. The patient recently had a computed tomographic angiography that showed renal artery stenosis on the left. His blood pressure in the office is 162/98 mm Hg. The patient is currently taking amlodipine 5 mg PO once daily. Which of the following adjustments should be made to the patient’s antihypertensive regimen? Add hydrochlorothiazide 12.5 mg PO once daily Add lisinopril 10 mg PO once daily Add metoprolol 50 mg PO twice daily Increase amlodipine to 10 mg PO once daily