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Cardiopulmonary Anatomy & Physiolo...

7th Edition
Des Jardins + 1 other
ISBN: 9781337794909

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BuyFindarrow_forward

Cardiopulmonary Anatomy & Physiolo...

7th Edition
Des Jardins + 1 other
ISBN: 9781337794909
Textbook Problem

Normally, the percentage of the total volume exhaled during an FEV1 by a 20-year-old individual is

A. 60%

B. 83%

C. 94%

D. 97%

Summary Introduction

Introduction:

Forced expiratory volume timed (FEVT) can be defined as the maximum amount of gas that can be exhaled by the lungs during a specific period of time. Typically, Forced Vital Capacity (FVC) is used to obtain this measurement. Commonly, the specific time period is 1 second.

Explanation

Justification for the correct answer:

Option (B) is given as 83%. The percentage of total volume exhaled depends on the specific time period. If the specific time period is 1 second, then the forced expiratory volume (FEV1) is 83%. This volume is the same for both males and females. Hence, option (B) is correct.

Justification for the incorrect answers:

Option (A) is given as 60%...

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