Which of the following actions should an EKG technician perform for a patient immediately before an exercise stress test?
1.Measure blood pressure and obtain an EKG while the patient is supine, sitting, and standing up.
2.Ensure the patient has taken all prescription medications per usual administration schedule.
3.Use soap and water to shave the skin prior to electrode placement.
4.Confirm the patient has not had anything to eat or drink for 6 hr before the test.