The nurse reviews the newly written prescriptions for a client admitted with the diagnoses of coronary artery disease and hypertension. Which prescription should the nurse implement first?

Furosemide 40 mg PO daily for a client whose blood pressure is 123986.

Nitroglycerin 0.4 mg SL PRN for a client complaining of chest

Metoprolol 25 mg PO bid for a client whose heart rate is 55 beats

Diltiazem 30 mg PO tid for a client whose heart rate is 90 beats/min