You are giving a 80% He:20% O2 mixture to an asthmatic patient through a nonrebreathing mask with a compensated Thorpe tube O2 flowmeter set at 8 L/min. What is the actual flow being delivered to the patient?
A) 10 L/min
B) 12 L/min
C) 14 L/min
D) 18 L/min
Correct Answer:
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