An 80% He:20% O₂ Mixture Is Being Delivered to an Asthmatic

question 3

Multiple Choice

An 80% He:20% O₂ mixture is being delivered to an asthmatic patient by a nonrebreathing mask through an oxygen flow meter set at 8 L/min.What is the actual flow delivered to the patient?

• A) 10 L/min
• B) 12 L/min
• C) 14 L/min
• D) 18 L/min

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