As a Part of Preoperative Teaching, the Nurse Is Instructing

As a part of preoperative teaching, the nurse is instructing the client on the use of a volume-oriented incentive spirometer. Which instruction should be included in this teaching?

A) Blow out into the canister until the enclosed cylinder rises.
B) Close your lips tightly around the mouthpiece.
C) Inhale sharply to elevate the enclosed cylinder.
D) Use a nose clip to occlude nasal passages if necessary.
E) Cough after using the device.
F) Tilt the device slightly toward yourself while using.