Final answer:
Asthma is the hyperreactivity of the bronchi and bronchioles with bronchospasm, shortness of breath, and difficulty exhaling.
Step-by-step explanation:
The hyperreactivity of the bronchi and bronchioles with bronchospasm, shortness of breath, and difficulty exhaling is known as asthma. Asthma is a chronic disease characterized by inflammation and edema of the airway, which leads to bronchospasms or constriction of the bronchioles.