Question

What lung function test is used to diagnose and classify asthma severity?

a.

Forced Expiratory Volume ( FEV )

b.

Forced Vital Capacity ( FVC )

c.

Peak Expiratory Flow Rate (PEFR)

d.

Total Lung Capacity ( TLC )

Posted under IC22 Life Insurance Underwriting

Answer: (a).Forced Expiratory Volume ( FEV ) Explanation:The Forced Expiratory Volume (FEV) test is a common lung function test used to diagnose and classify asthma severity. It measures the amount of air a person can forcefully exhale in one second after taking a deep breath. The results are then compared to predicted normal values based on the person's age, height, gender, and ethnicity. This helps to determine the severity of asthma and guide treatment decisions. The other options ( FVC, PEFR, and TLC ) are also lung function tests, but they are not used as commonly for diagnosing and classifying asthma severity.

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