An 8-year-old with a history of asthma self-administers a metered-dose inhaler before you arrive. Auscultation over the lower lungs would most likely reveal which sound?

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Multiple Choice

An 8-year-old with a history of asthma self-administers a metered-dose inhaler before you arrive. Auscultation over the lower lungs would most likely reveal which sound?

Explanation:
Wheezing. In asthma, bronchoconstriction narrows the airways, causing turbulent, high-velocity airflow that produces a musical, whistling sound, most noticeable during expiration. This is typically heard over the lower lungs where the smaller airways are affected. By contrast, crackles come from fluid in the alveoli, rhonchi indicate secretions in larger airways, and bronchovesicular sounds are normal sounds heard in the central chest. So expiratory wheezes align with asthma’s airway narrowing, especially after inhaler use.

Wheezing. In asthma, bronchoconstriction narrows the airways, causing turbulent, high-velocity airflow that produces a musical, whistling sound, most noticeable during expiration. This is typically heard over the lower lungs where the smaller airways are affected. By contrast, crackles come from fluid in the alveoli, rhonchi indicate secretions in larger airways, and bronchovesicular sounds are normal sounds heard in the central chest. So expiratory wheezes align with asthma’s airway narrowing, especially after inhaler use.

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