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Cardiopulmonary Anatomy & Physiolo...

7th Edition
Des Jardins + 1 other
ISBN: 9781337794909

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Section
BuyFindarrow_forward

Cardiopulmonary Anatomy & Physiolo...

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

At sea level, a diver has the following:

•Lung volume: 6 L

•Pressure within the lungs: 755 mm Hg

If this individual dives to a depth of 99 feet and compresses the lung volume to 2 L, what will be the pressure within the diver's lungs?

A. 960 mm Hg

B. 1420 mm Hg

C. 1765 mm Hg

D. 2265 mm Hg

Summary Introduction

Introduction:

Environments with high pressure have a considerable effect on the cardiopulmonary system of the body. The ambient pressure with which the diver is surrounded includes the atmospheric pressure and the hydrostatic pressure. The pressure experienced is calculated by Boyle’s law, which governs the compression in the lungs when a diver descends.

Explanation

Explanation for the correct answer:

Option (d) is given as 2265 mm Hg.

Given,

Lung volume (V1) = 6L

The pressure at lung volume V1 (P1) = 755 mm Hg

At 99 feet, the lung volume (V2) = 2L

So,

P1V1=P2V2P2=P1V1V2=755

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