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NREMT EMT

Category - Airway

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What flow rate can deliver a 80-100% oxygen concentration when using a non-rebreather mask?

8-10 LPM
10-15 LPM
12-15 LPM
15-20 LPM

Explanation

Answer: B - The flow rate of 10-15 LPM can deliver a 80-100% oxygen concentration when using a non-rebreather mask. When the patient inhales, 100% of oxygen contained in the reservoir is drawn into the mask and the patient’s respiratory passageways. The non-rebreather mask delivers the highest concentration of oxygen.

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