Question

"Emphysema" is a condition in which

• A. Respiratory centre is inhibited
• B. Lots of fluid in the lungs
• C. The walls separating the alveoli break
• D. Lungs have excess $O_2$

Answer 1

The correct option is C The walls separating the alveoli break

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.