The Nurse Has Taught a Preoperative Client About Deep Breathing

The nurse has taught a preoperative client about deep breathing plus coughing, and incentive spirometry. The client asks why both activities are needed. What response by the nurse is best?

A) "They really work best when done together."
B) "The incentive spirometer will make you cough."
C) "This is the standard for postoperative clients."
D) "You have the right to refuse doing either one."