A Patient Has Been Scheduled for Cardiovascular Computed Tomography (CT)

A patient has been scheduled for cardiovascular computed tomography (CT) with contrast. To prepare the patient for this test, what action should the nurse perform?

A) Keep the patient NPO for at least 6 hours prior to the test.
B) Establish peripheral IV access.
C) Limit the patients activity for 2 hours before the test.
D) Teach the patient to perform incentive spirometry.