The registered nurse (RN) is caring for a patient with a hypertensive crisis who is receiving sodium nitroprusside. Which nursing action can the nurse delegate to an experienced nursing assistant?

Titrate nitroprusside to decrease mean arterial pressure (MAP) to 115 mm Hg.

Set up the automatic noninvasive BP machine to take readings every 15 minutes.

Teach the patient stress-relieving techniques.

Evaluate effectiveness of nitroprusside therapy on blood pressure (BP).