Which of the Following Statements Is Correct Concerning Endotracheal Tube

Which of the following statements 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 40 to 50 mm Hg to ensure an adequate seal.
D) Cuff pressure monitoring should be done once every 24 hours.