A Patient Is Scheduled for CT Scanning of the Head

A patient is scheduled for CT scanning of the head because of a recent onset of neurologic deficits. What should the nurse tell the patient in preparation for this test?

A) No metal objects can enter the procedure room.
B) You need to fast for 8 hours prior to the test.
C) You will need to lie still throughout the procedure.
D) There will be a lot of noise during the test.