The Therapist Is Performing a Routine Assessment and Ventilator Check

The therapist is performing a routine assessment and ventilator check on a patient who is receiving heliox near the wye adapter of the ventilator circuit. He notices a serious discrepancy between the set tidal and the exhaled volume. What should the therapist do to correct this situation?

A) Administer heliox through the heliox-approved inlet of the mechanical ventilator.
B) Add a 16-inch piece of corrugated tubing between the wye adapter and the place on the inspiratory limb where heliox is administered.
C) Reduce the liter flow on the heliox.
D) Adjust ventilator settings to compensate for the lower viscosity of heliox.

Correct Answer:

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