What is the function of the purge valve on the Bunnell Life Pulse High-Frequency Jet Ventilator?
a. It releases internal pressure.
b. It allows water into the humidifier car-tridge.
c. It opens to dry out the monitoring line of the hi-lo jet tube.
d. It breaks pressurized gas flow into small bursts of gas.
ANS: C
The purge port supplies gas to the purge valve, which is located in the patient box. The gas is used to provide a moisture-free environment in the monitoring line of the hi-lo jet tube.
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