The parents of a 9-year-old patient were informed by the nurse that asthma attacks may occur spontaneously or in response to a trigger. Which of the following common irritants might trigger an asthma attack?


• Common triggers of an asthma attack include dust mites, animal dander, mold, perfumes, allergens, infections, stress, exercise, chemicals, and smoke.

• Asthma is a chronic, obstructive airway disease characterized by inflammation and constriction of the airway. It is caused by a spasm of the bronchial tubes or the swelling of the bronchial mucosa after exposure to various stimuli.

• Incorrect: Having a hereditary disorder, siblings with asthma, and fatigue are not triggers for asthma attacks.

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