Home O2 can be supplied by which of the following systems? 1. REDOX chemical reactors 2. Liquid O2 systems 3. O2 concentrators
a. 1 and 2 only
b. 2 and 3 only
c. 1 and 3 only
d. 1, 2, and 3
ANS: B
In these settings, O2 normally is supplied from one of the following three sources: (1) compressed O2 cylinders, (2) liquid O2 systems, or (3) O2 concentrators.
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