1.

Emphysema is a condition resulting fromA. cigarette smokingB. liquor consumptionC. durg addictionD. reduced oxygen carrying capacity of blood.

Answer» Correct Answer - A
Emphysema is a repiratory disorder which occurs due to the inflation or abnormal distension of the bronchioles or alveolar sacs resulting in the loss of their elasticlity. Cigarette smoking and chronic bronchitis are the causes of this disease.


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