Cardiopulmonary Anatomy & Physiology
Cardiopulmonary Anatomy & Physiology
7th Edition
ISBN: 9781337794909
Author: Des Jardins, Terry.
Publisher: Cengage Learning,
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Chapter 8, Problem 4RQ
Summary Introduction

Introduction:

The ventilation-perfusion VQ ratio represents the ratio of alveolar ventilation to pulmonary capillary blood flow. This ratio varies throughout the region of the lungs based on the range of ventilation and blood flow to each part. The VQ ratio decreases from the upper region to the lower region in the upright position of the lungs.

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