A nurse is caring for a patient who is scheduled to have a barium enema the following day to check for the presence of colon polyps. When the nurse enters the patient's room during rounds, which of the following should alert the nurse?

Patient is drinking milk before bedtime.


• The patient should be on a clear liquid diet for 2 days before the procedure to reduce stool volume.

• The other choices are the correct preparation before a barium enema.

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