cuff pressure normal range is between 20-30 cm H2O.
There is no indication to withdraw the tube and using a smaller tube would only cause the
patient's peak pressure to increase which is something that we do not want. Also, nothing in the
question indicates that a tracheostomy is needed, so we know that the correct answer has to be
C.
4. During the assessment of a 52-year-old female patient that is receiving oxygen via
nasal cannula at 4 L/min, you hear the bubble humidifier making a whistling noise.Which
of the following is the most likely cause of this finding?
A. There is an obstruction in the delivery tube
B. There patient's ventilation has increased
C. There is a clogged system diffuser
D. The flowmeter pressure is set too high:
ANSA. There is an obstruction in the delivery tube
If you've ever accidentally stepped on the tubing when a bubble humidifier is being used, then
you will automatically know that the correct answer is A.
The relief valve of a bubble humidifier sounds when the pressure in the reservoir
4 of 33 8/8/2024, 3:47
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