Question

What does the peak expiratory flow rate measure?

a.

How fast a person can inhale air

b.

How fast a person can exhale air

c.

How much air a person can inhale in one breath

d.

How much air a person can exhale in one breath

Posted under IC22 Life Insurance Underwriting

Answer: (b).How fast a person can exhale air Explanation:The peak expiratory flow rate (PEFR) measures how fast a person can breathe out (exhale) air. It is a measure of the maximal speed of expiration during a forced exhalation, and is an important tool in monitoring and managing asthma.

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