An ambulatory home O2 therapy patient complains that the portable liquid (at 3 L/min) does not last long enough for a visit with the grandchildren. What might you recommend to overcome this limitation?
a. Decrease the flow to 2 L/min.
b. Put a couple of E cylinders in her car.
c. Use an O2-conserving device.
d. Put the large liquid unit in the car.
ANS: C
The functional use time of portable liquid O2 units can be extended with O2-conserving devices, including the demand-flow systems.
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