Which condition is associated with shortness of breath that is mostly on exertion and progressively worsens?

• A. COPD
• B. CHF
• C. Emphysema
• D. Chronic Bronchitis

Answer: (A)

Exertional dyspnea that progressively worsens is a classic sign of chronic obstructive lung disease. COPD causes a fixed, nonreversible limitation of airflow, so as the disease advances, a person becomes increasingly short of breath with activity and loses exercise tolerance over time. This pattern fits COPD well because it underlies the gradual decline in lung function seen with emphysema and chronic bronchitis, the two main components of COPD, often linked to a smoking history or other chronic lung irritants.

Heart failure can also cause shortness of breath on exertion, but its typical features include orthopnea, paroxysmal nocturnal dyspnea, and edema, which help differentiate it from COPD. Emphysema and chronic bronchitis are parts of COPD, so they share the same progressive, exertional dyspnea profile, but positioning COPD as the overall chronic obstructive process captures the pattern most consistently.