The Nurse Instructs a Patient on the Use of Incentive

The nurse instructs a patient on the use of incentive spirometry. Which patient statement indicates the need to provide additional instruction?

A) "I will use the device 5 to 10 times per day."
B) "I will take in a slow, deep breath, like inhaling through a straw."
C) "I will exhale completely before I begin this breathing exercise."
D) "I will sit up in bed as this allows my lungs to expand during the exercise."