A 50-year-old man with a history of smoking is diagnosed with chronic obstructive pulmonary disease (COPD). Which type of lung tissue is primarily affected in this condition?
Q1. A 50-year-old man with a history of smoking is diagnosed with chronic obstructive pulmonary disease (COPD). Which type of lung tissue is primarily affected in this condition?
Answer: Bronchial walls
Explanation: COPD primarily affects the bronchial walls, causing chronic inflammation and airflow limitation.