Name the pulmonary disease in which alveolar surface area involved in gas exchange is drastically reduced…

Name the pulmonary disease in which alveolar surface area involved in gas exchange is drastically reduced due to damage in the alveolar walls.
  1. Emphysema
  2. Pneumonia
  3. Asthma
  4. Pleurisy

Solution

Emphysema: The air-pollutants that cause chronic bronchitis, may breakdown the alveoli of the lungs, reducing the surface area for gas exchange. The victim becomes permanently short of breath. It mainly occurs due to smoking.

Asked in: NEET 2015 (Phase 2)

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