Asthma is a lung condition brought on when an allergen, for example pollen or dust, is breathed in. The allergen causes the bronchii and bronchioles to become swollen and narrowed, and the goblet cells in the walls of these airways to release too much mucus. What effects would these changes have on the gaseous exchange system of a person with asthma?
- A1 and 2
- B1 and 3
- C2 and 3
- D3 only