A pediatric patient with refractory croup is placed on heliox 80:20 at a flow of 10 L/min. The actual flow going to the patient is _____ L/min
a. 14 c. 18
b. 16 d. 20
ANS: C
Conversion for 80:20 = 1.8 ? 10 L/min = 18 L/min.
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