Which of the Following Actions Should the Nurse Do to Inflate

Which of the following actions should the nurse do to inflate the cuff of an endotracheal tube (ET) when the client is on mechanical ventilation?

A) Inflate the cuff until the pilot balloon is firm.
B) Inflate the cuff with a minimum of 10 mL of air.
C) Inject air into the cuff until a manometer shows 15 mm Hg pressure.
D) Inject air into the cuff until a slight leak is heard only at peak inflation.