NEETZoologyBreathing and Exchange of Gases
What is Emphysema?
Options
- AInflammation of bronchi and bronchioles
- BChronic Disorder
- CDifficulty in breathing causing wheezing
- DDecreased respiratory surface
Correct answer
B. Chronic Disorder
Step-by-step solution
Asthma is a difficulty in breathing causing wheezing due to inflammation of bronchi and bronchioles. Emphysema is a chronic disorder in which alveolar walls are damaged due to which respiratory surface is decreased. One of the major causes of this is cigarette smoking . Occupational Respiratory Disorders: In certain industries, especially those involving grinding or stone-breaking, so much dust is produced that the defense mechanism of the body cannot fully cope with the situation. Long exposure can give rise to in