When checking an O2 delivery system that incorporates a bubble humidifier running at 6 L/min, you occlude the delivery tubing, and the humidifier pressure relief immediately pops off. What does this indicate?
A) Malfunctioning humidifier
B) Normal, leak-free system
C) Malfunctioning flowmeter
D) Leak in the delivery tubing
Correct Answer:
Verified
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