Question

What is FEV1?

a.

The amount of air forcefully exhaled in one second

b.

The amount of air inhaled in one second

c.

The amount of air forcefully inhaled in one second

d.

The amount of air inhaled in one minute

Answer: (a).The amount of air forcefully exhaled in one second Explanation:FEV1 is the maximal amount of air a person can forcefully exhale in one second.

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