Asthma is caused by inflammation of the air passages that carry air from the nose and mouth to the lungs, leading to narrowed airways and difficulty in breathing. This inflammation can be triggered by various factors like allergens, pollutants, exercise, and infections. Loss of alveoli or elevation of intrapleural pressure are not direct causes of asthma.

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Asthma Is Caused by

Question 7

Multiple Choice

Asthma is caused by

A) Loss of alveoli
B) Inflammation of the bronchioles
C) Elevation of intrapleural pressure to equal atmospheric pressure
D) Loss of alveoli and inflammation of the bronchioles
E) Loss of alveoli and elevation of intrapleural pressure to equal atmospheric pressure

Correct Answer: