A nurse is admitting an infant with asthma. What usually triggers asthma in infants?

A) Medications
B) A viral infection
C) Exposure to cold air
D) Allergy to dust or dust mites

Asthma In Infants

A condition characterized by respiratory difficulties due to inflamed airways, often presenting as wheezing or coughing in infants.

Viral Infection

An infectious disease or condition caused by a virus, resulting in symptoms that vary widely depending on the virus type.

Exposure To Cold Air

The condition of being subjected to low environmental temperatures, which can trigger certain respiratory responses or discomfort.