A nurse plans care for a patient with acute pancreatitis. Which intervention would the nurse include in this patient's plan of care to reduce discomfort?

Maintain nothing by mouth (NPO) and administer intravenous fluids.

Provide small, frequent feedings with no concentrated sweets.

Administer morphine sulfate intramuscularly every 4 hours as needed.

Position the patient in a flat, supine position to decrease discomfort.