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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

Which of the following can be obtained from a flow-volume loop study?

1. FVC

2. PEFR

3. FEVT

4. FEF 25%-75%

A. 1 and 2 only

B. 2 and 3 only

C. 1,3 and 4 only

D. 1,2,3, and 4

Summary Introduction

Introduction:

The graphical representation of FVC (forced vital capacity) followed by FIV (forced inspiratory volume) is known as the flow-volume loop. The plotting of FVC and FIV produces two curves which are known as flow-volume loop study. The flow-volume loop compares the volume changes and the flow rates that are produced at different points.

Explanation

Justification for the correct answer:

Option (d) is given as 1, 2, 3, and 4. Depending on the precision and the sophistication of the instrument, PEFR, PIFR (pulmonary inspiratory flow rate), FVC, FEVT, FEV/FVC (forced expiratory volume/ forced vital capacity), and FEF can be discerned. Hence, option (d) is correct.

Justification for the incorrect answers:

Option (a) is given as 1 and 2 only...

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