A 7-year-old undergoes tonsillectomy for recurrent tonsillitis. Twenty-four hours after surgery, the child vomits material that resembles coffee grounds. What action by the nurse is most appropriate?
A. Notify the physician immediately.
B. Maintain nothing-by-mouth status for the next 24 hours.
C. Maintain nothing-by-mouth status for the next 30 minutes and then resume clear liquids.
D. Place the child in a supine position.