DISEASE |
CAUSE |
PATHOLOGY
|
A. Asthma |
(i)
cigarette smoking |
1. alveolar walls are damaged
|
B. Emphysema |
(ii) Long exposure to industrial dust |
2.
proliferation of fibrous tissues |
C. Occupational Respiratory Disorders |
|
3. respiratory surface is decreased
|
|
|
4. inflammation of bronchi and bronchioles
|