The Nurse Is Preparing a Patient for a Computed Tomography

The nurse is preparing a patient for a computed tomography (CT) scan of the abdomen.Which statement by the nurse is best? Assume all are true.

A) "You will need to remain NPO for the 8 hours prior to your CT scan."
B) "You cannot have anything to eat or drink for 8 hours before your test."
C) "You will need to be NPO and drink this contrast medium before your test."
D) "You may need to void before you go down to the department for your CT scan."