The Nurse Is Caring for a Client Following an Incisional

The nurse is caring for a client following an incisional cholecystectomy for cholelithiasis. Which of the following actions is priority for the nurse to implement?

A) Client education about low-fat food choices
B) Perform leg exercises hourly while awake.
C) Ambulate the evening of the operative day.
D) Turn, cough, and deep breathe every 2 hours.