About emphysema True is?: (A) Frequently associated with obstructive sleep apnea, (B) Destruction and enlargement of the lung alveoli, (C) Centriacinar more prominent in lower lobes, (D) Not a component of COPD
Answer is B. (B) Destruction and enlargement of the lung alveoli # EMPHYSEMA is characterized by destruction and enlargement of lung alveoli.> Included in COPD. It includes centriacinar & panacinar types.> Centriacinar is most prominent in upper lobe & superior segments of lower lobes.