The Nurse Is Providing Preoperative Teaching to a Patient Scheduled

The nurse is providing preoperative teaching to a patient scheduled for surgery. The nurse is instructing the patient on the use of deep breathing, coughing, and the use of incentive spirometry when the patient states, I dont know why youre focusing on my breathing. My surgery is on my hip, not my chest. What rationale for these instructions should the nurse provide?

A) To prevent chronic obstructive pulmonary disease (COPD)
B) To promote optimal lung expansion
C) To enhance peripheral circulation
D) To prevent pneumothorax