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NCLEX Review Question
Which of the following ranges identifies the amount of pressure within the endotracheal tube cuff that is believed to prevent both injury and aspiration?
a.20-25 mm Hg water pressure.
b.10-15 mm Hg water pressure.
c.30-35 mm Hg water pressure.
d.0-5 mm Hg water pressure
Correst Answer: A
20-25 mm Hg water pressure.
Rationale: Usually the pressure is maintained at less than 25 cm water pressure to prevent injury and at more than 20 cm water pressure to prevent aspiration.
10-15 mm Hg water pressure.
Rationale: A measure of 10--15 mm Hg water pressure would indicate that the cuff is underinflated.
30-35 mm Hg water pressure.
Rationale: A measure of 30--35 mm Hg water pressure would indicate that the cuff is overinflated.
0-5 mm Hg water pressure
Rationale: A measure of 0-5 mm Hg water pressure would indicate that the cuff is underinflated.
Posted in: MSN NCLEX
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