What is a primary feature of asthma?

• A. Bronchial inflammation and airway constriction
• B. Absence of respiratory symptoms
• C. Rapid progression without treatment
• D. Immediate resolution of symptoms

Answer: (A)

A primary feature of asthma is bronchial inflammation and airway constriction. In individuals with asthma, the airways become overly sensitive to various triggers, leading to inflammation and narrowing of the bronchial passages. This process causes difficulty in breathing, as the inflamed airways produce excess mucus and can tighten, reducing airflow. These symptoms can vary in intensity and may be triggered by allergens, exercise, cold air, or stress.

The presence of inflammation is key to understanding asthma's pathophysiology, as it contributes to the characteristic wheezing, coughing, and shortness of breath associated with the condition. The chronic nature of this inflammation can lead to long-term changes in the airways if not properly managed, emphasizing the importance of early diagnosis and effective treatment strategies.