In which disease, due to flattening of tracheal vessels, alveoli are deprived of oxygen
" " Or
Name the pulmonary disease in which alveolar surface area involved in gas exchange is drastically reduced due to damage in the alveolar walls

Options

A. Bronchitis
B. Asthma
C. Pneumonia
D. Emphysema

Answer

D

Explanation

Emphysema is the respiratory disorder in which the sepya between the alveoli are destroyed and much of the elastic tissue of the lungs is replaced by connective tissu.it is generally caused by a long term irritation . Air pollution occupational expousure to industrial dust and cigarette smoke are the most common irritants.