When Checking an Oxygen Delivery System That Incorporates a Bubble

question 48

Multiple Choice

When checking an oxygen 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

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