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NREMT Advanced EMT

Category - Airway and Respiration

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What instrument measures the peak expiratory flow rate?

Mark’s meter
Johnson’s meter
Wright’s meter
None of the above

Explanation

Answer - C - The Wright’s meter measures the peak expiratory flow rate. This flow rate occurs during a maximum exhalation and is a reliable indicator of air flow. It is used to measure asthma severity and to monitor the patient’s therapy.

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