Which Statement Is Correct Concerning Endotracheal Tube Cuff Management

Which statement is correct concerning endotracheal tube cuff management?

A) The cuff should be deflated every hour to minimize pressure on the trachea.
B) A small leak should be heard on inspiration if the cuff has been inflated using the minimal leak technique.
C) Cuff pressures should be kept between 20 to 30 mm Hg to ensure an adequate seal.
D) Cuff pressure monitoring should be done once every 24 hours.