Question

___ is the most common cause of nasal polyposis in children:

a) Allergic rhinitis
b) Sinusitis
c) Cystic fibrosis
d) Environmental pollution

Answer 1

Cystic fibrosis is the most common cause of nasal polyposis in children, as it leads to chronic inflammation and abnormal mucus production in the nasal passages.

Step-by-step explanation:

The most common cause of nasal polyposis in children is cystic fibrosis. Nasal polyps are associated with inflammation and are common in conditions that involve chronic inflammation of the nasal mucosa, such as cystic fibrosis. This genetic disorder leads to abnormal mucus production, which can obstruct the nasal passages and lead to the development of nasal polyps. While conditions such as allergic rhinitis and sinusitis are also associated with nasal polyps, they are not as strongly linked to polyposis in children as cystic fibrosis. Environmental pollution can contribute to respiratory irritation and inflammation, but on its own, it is not the most common cause of nasal polyposis in children.