Cardiopulmonary Anatomy & Physiology
Cardiopulmonary Anatomy & Physiology
7th Edition
ISBN: 9781337794909
Author: Des Jardins, Terry.
Publisher: Cengage Learning,
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Chapter 4, Problem 3RQ
Summary Introduction

Introduction:

The partial pressure of a gas can be defined as the force exerted by that specific gas in a mixture of various gases. Atmospheric pressure is defined as the pressure that is exerted by the atmosphere on a surface or a body. The value of atmospheric pressure is 760 mm Hg (millimeters of mercury).

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Which of the following gas laws states that in a mixture of gases the total pressure is equal to the sum of the partial pressure of each gas? A. Dalton's law C. Charles' law B. Gay-Lussac's law D. Boyle's law
Which of the following is NOT a determinant of gas exchange as described by Fick's Law?   a. Steepness of the concentration gradient   b. Number of ion channels in alveolar membrane   c. Thickness of the alveolar membrane   d. Permeability of the alveolar membrane to gases   e. Surface area of the alveolar membrane
Explain why the gas values from the alveolar air to the blood change during pulmonary gas exchange. For example: Alveolar air for CO2 has a value of 40mmHg then when entering the blood shifts to 45mmHg. Why does this occur? I tried to calculate this by using Dalton’s law but I’m not Understanding.
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