Question

Emphysema results from

• A. Cigarette smoking
• B. Liquor consumption
• C. Drug addiction
• D. Both A and B

Answer 1

The correct option is A Cigarette smoking

Emphysema is a long-term, progressive disease of the lungs, that primarily causes shortness of breath due to over-inflation of the alveoli. The smoking of cigarettes is the main cause of lung cancer, chronic bronchitis and emphysema.
Therefore, the correct answer is option A.