Which are recognized risk factors for bronchiolitis?

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Multiple Choice

Which are recognized risk factors for bronchiolitis?

Bronchiolitis most strongly affects infants because their airways are tiny and easily obstructed by inflammation and mucus, and their immune system is still maturing. When a child has chronic respiratory or congenital heart disease, their respiratory reserve is reduced and airway clearance is less effective, so they’re more likely to develop bronchiolitis and experience more severe illness. So, being under 1 year old and having chronic respiratory or cardiac disease are both recognized risk factors. In contrast, being older than 5 years is not a typical risk factor for bronchiolitis, since the condition commonly occurs in the first year of life and becomes much less common as children grow older.

Bronchiolitis most strongly affects infants because their airways are tiny and easily obstructed by inflammation and mucus, and their immune system is still maturing. When a child has chronic respiratory or congenital heart disease, their respiratory reserve is reduced and airway clearance is less effective, so they’re more likely to develop bronchiolitis and experience more severe illness.

So, being under 1 year old and having chronic respiratory or cardiac disease are both recognized risk factors. In contrast, being older than 5 years is not a typical risk factor for bronchiolitis, since the condition commonly occurs in the first year of life and becomes much less common as children grow older.

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