The Nurse Is Teaching a Patient Scheduled for a Colonoscopy

The nurse is teaching a patient scheduled for a colonoscopy on pre- and postprocedure care.Which statement by the patient indicates the need for further teaching?

A) "It might be quite painful."
B) "The procedure will only take about one hour."
C) "The physician might take tissue samples for further analysis."
D) "I will likely have medications that will make me drowsy during the test."