A patient has a tracheostomy tube in place. The measured cuff pressure is 28 torr. Which of the following statements is/are true of this situation?
a) The pressure is appropriate for minimal tracheal occlusion.
b) This pressure will most likely cause arterial occlusion.
c) At this pressure, only lymphatic flow will be affected.
d) The pressure will cause tracheal necrosis if maintained.