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Cardiopulmonary Anatomy & Physiolo...

7th Edition
Des Jardins + 1 other
ISBN: 9781337794909

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Chapter
Section
BuyFindarrow_forward

Cardiopulmonary Anatomy & Physiolo...

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

Approximately 0.3 mL True ______ False _________

of O 2 is physically

dissolved in each

100 mL of blood for

every Pa O 2 increase of

100 mm Hg.

Summary Introduction

To review:

Whether the following statement, “Approximately 0.3 mL of O2 is physically dissolved in every 100 mL of the blood for each PaO2 increase of 100mm Hg,” is true or false.

Introduction:

Certain kinds of pathological conditions related to low level of oxygen are treated with administration of 100% (percent) oxygen at an increased pressure. This kind of therapeutic treatment is known as hyperbaric medicine. The patients are subjected to a hyperbaric chamber which helps in increasing the level of oxygen in the body tissues, but with some disadvantages.

Explanation

About 97percent of our blood hemoglobin is saturated with oxygen. This is at the normal arterial pressure of about 80-100mm Hg (millimeter of mercury). At this level of saturation, the oxygen combining capacity is reduced and is quite low. The quantity of O2 (oxygen) dissolved in blood is linearly proportional to the PaO2 (partial pressure of oxygen)...

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