A patient is placed on a 70:30 heliox mixture at a flow of 8 L/min. The actual flow rate going to the patient is ____ L/min
a. 11.2 c. 14.4
b. 12.8 d. 16.2
ANS: B
Conversion for 70:30 = 1.6 ? 8 L/min = 12.8 L/min.
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