At flows between 1 and 2 L/min, a typical molecular sieve O2 concentrator provides an O2 con-centration of approximately what level?
a. 65%
b. 75%
c. 85%
d. 95%
ANS: D
At flows of 1 to 2 L/min, the typical molecular sieve concentrator provides between 92% and 95% O2.
Health Professions
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