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Cardiopulmonary Anatomy & Physiolo...

7th Edition
Des Jardins + 1 other
ISBN: 9781337794909

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BuyFindarrow_forward

Cardiopulmonary Anatomy & Physiolo...

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

Case 2

The patient's fatigue and respiratory rate of 6 breaths/min further caused the ventilation- perfusion ratio to (______rise;________ fall).

Summary Introduction

To review:

The given blank space in the statement, “The patient’s fatigue and respiratory rate of 6 breaths/min further caused the ventilation-perfusion ratio to (__________ rise, ________fall)”.

Introduction:

Ideally, the lungs need to receive the same amount of capillary blood and ventilation. The relationship between the ventilation occurring and the pulmonary capillary blood flow is given as the ventilation-perfusion ratio. The overall ventilation-perfusion ratio is approximately 0.8. Alveolar ventilation can be defined as the amount of air that reaches the alveoli of the lungs during each breath.

Explanation

Respiratory rate is defined as the number of breaths taken by an individual in a minute. For a normal healthy adult, the respiratory rate is 12 to 20 breaths per minute. Respiratory rate under 12 breaths per minute is considered abnormal. In case, if the respiratory rate is 6 breaths per minute, then the exchange of gases will be slowed down...

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