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Respiratory System Anatomy Overview

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Questions and Answers

What is the function of the alveolar membrane?

Oxygen production
Ventilation
Carbon dioxide transfer
Perfusion (correct)

How many pores of Kohn does an average adult alveoli have?

0-5
5-20 (correct)
20-30
30-40

Which nerve innervates the diaphragm?

Vagus nerve
Femoral nerve
Sciatic nerve
Phrenic nerve (correct)

What covers the lobes of the lungs?

Visceral pleura membrane (C) Signup and view all the answers

What is the role of surfactant in the lungs?

Reduces surface tension and increases pulmonary compliance (D) Signup and view all the answers

Involuntary breathing is controlled by which part of the body?

Respiratory centre (D) Signup and view all the answers

Which structure in the conducting zone contains the vocal cords and is located between the pharynx and the trachea?

Larynx (C) Signup and view all the answers

What is the function of the bronchioles in the respiratory system?

Reduce airway caliber with smooth muscle (A) Signup and view all the answers

Where does gas exchange occur in the respiratory system?

Respiratory bronchioles (C) Signup and view all the answers

How do the right and left main bronchi differ in their branching patterns?

Right main bronchus is more vertical, left is more horizontal (B) Signup and view all the answers

What is the role of the alveoli in the respiratory system?

Facilitate gas exchange (B) Signup and view all the answers

Which part of the conducting zone filters the air for particles and humidifies the air?

Nasal cavity (B) Signup and view all the answers