First slide

Disorders of the Respiratory System

Question

Which of the following options correctly represents the lung conditions in asthma and emphysema, respectively?

Moderate

A

Inflammation of bronchioles; Decreased respiratory surface
B

Increased number of bronchioles; Increased respiratory surface
C

Increased respiratory surface; Inflammation of bronchioles
D

Decreased respiratory surface; Inflammation of bronchioles

Solution

Inflammation of bronchioles – Asthma; Decreased respiratory surface – Emphysema.
Asthma is a difficulty in breathing causing wheezing due to inflammation of bronchi and bronchioles.
Emphysema is a chronic disorder in which alveolar walls are damaged due to which respiratory surface is decreased. One of the major causes of this is cigarette smoking.

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