Question
Name the pulmonary disease in which alveolar surface area involved in gas exchange is drastically reduced due to damage in the alveolar walls.
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Pleurisy
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Emphysema
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Pneumonia
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Asthma
Solution
C.
Pneumonia
Empysema is a chronic respiratory disease where there is over-inflation of the air sacs(alveoli) in the lung, causing a decrease in the lung function and often, breathlessness. In this disease, the alveolar walls are damaged leading to drastic reduction in gas exchange.
