What is the purpose of the small refillable liquid O2 tank that comes with many stationary home liquid O2 reservoirs?
a. To provide O2 to ambulatory patients out-side the home
b. To serve as a backup should the primary reservoir fail
c. To collect and save gas vented by the pri-mary reservoir
d. To provide higher flows for patients re-quiring high FiO2 values
ANS: A
Many personal liquid O2 systems also come with smaller portable units (Figure 56-3). This system is ideal for the ambulatory patient who is capable of physical activity.
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