A Patient Is Resisting the Use of Incentive Spirometry Postoperatively

A patient is resisting the use of incentive spirometry postoperatively. Which of the following can be provided as an explanation to the patient for the use of this device?

A) "It will help prevent the development of pneumonia."
B) "It gives you something to do while recovering."
C) "It will prevent you from getting a cold."
D) "The doctor ordered it."