To Inflate the Cuff of an ET When the Patient

To inflate the cuff of an ET when the patient is on mechanical ventilation,what should the nurse do?

A) Inflate the cuff with 10 mL of air.
B) Inject air into the cuff to a pressure of 20 mm Hg.
C) Inject air into the cuff until no leak is heard at peak inspiratory pressure.
D) Inflate the cuff until the pilot balloon cannot be easily compressed with the fingers.