Question

Which change in the airways mainly causes breathing difficulty in asthma?

Options

• Widening of airways and dry throat.

• Narrowing, swelling, and extra mucus in the airways.

• Extra saliva production in the mouth.

• Thickening of the chest wall only.

Answer 1

Narrowing, swelling, and extra mucus in the airways.

Explanation:

In asthma, the airways to and from the lungs become narrow, swollen, and filled with mucus, leading to difficulty breathing and asthma attacks.