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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

The bronchial arteries nourish the tracheobronchial tree down to, and including, which of the following?

A. Respiratory bronchioles

B. Segmental bronchi

C. Terminal bronchioles

D. Subsegmental bronchi

Summary Introduction

Introduction:

The respiratory system is one of the vital biological systems, which is segregated into the upper and lower respiratory systems. The tracheobronchial tree is the branching tree of the airways, starting at the larynx, and moving inferiorly as well as peripherally into the lungs and the bronchioles.

Explanation

Explanation for the correct answer:

Option (d) is given as subsegmental bronchi. The tracheobronchial tree is sub-segregated, between the 4th and, approximately, the 9th generations, into progressively tiny airways which are known as subsegmental bronchi. The bronchial arteries cover the subsegmental bronchi to around 1 mm diameter level. Hence, option (d) is the correct answer

Explanation for the incorrect answer:

Option (a) is given as respiratory bronchioles...

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