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Cardiopulmonary Anatomy & Physiolo...

7th Edition
Des Jardins + 1 other
ISBN: 9781337794909

Solutions

Chapter
Section
BuyFindarrow_forward

Cardiopulmonary Anatomy & Physiolo...

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

The MVV in normal healthy men ages 20 to 30 years is

A. 60 L/min

B. 100 L/min

C. 170 L/min

D. 240 L/min

Summary Introduction

Introduction:

MVV (maximum voluntary ventilation) is also known as the maximum breathing capacity. It can be defined as the maximum volume of air that can be inhaled and exhaled in 1 minute. It is performed for a minimum of 6 and maximum of 12 seconds. MVV can be used to evaluate the compliance of thorax and lungs, neural control mechanisms, and airway resistance.

Explanation

Justification for the correct answer:

Option (c) is given as 170 L/min. The maximum voluntary ventilation is a test that is used for the evaluation of the performance of strength of the respiratory muscle. For a normal healthy man, it is around 170 L/min and for a normal healthy woman, it is 110 L/min. Hence, option (c) is correct.

Justification for the incorrect answers:

Option (a) is given as 60 L/min. This is false as the MVV for a normal healthy man is 170 L/min...

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