Answer to Question 1
ANS: C
Refer to question 47. 1.7 8 = 13.6 L/min of air being entrained.
Answer to Question 2
ANS: B
100 O2 35 FIO2 = 65. 20 air 35 FIO2 = 15. Ratio: 15:65 = 1:4.3. For every 1 L/min of O2, there is 4.3 L/min of air being entrained. 1 + 4.3 = 5.3 10 = 53 L/min total flow.