Multiple Choice
When using a small-bore catheter with a one-way valve such as a Heimlich valve, how can you determine definitively that there is or is not a small air leak?
A) Connect to an underwater seal.
B) Increase the FIO2 and note clinical changes.
C) Listen for air movement.
D) Watch the valve to see if it moves.
Correct Answer:

Verified
Correct Answer:
Verified
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