Q. Statement I: Emphysema is a chronic respiratory disorder in which respiratory surface is decreased.
Statement II: In emphysema, lungs are damaged due to prolonged inflammation and fibrosis

 1642  223 Breathing and Exchange of Gases Report Error

Solution:

• 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.
• In emphysema, pulmonary surfactant reduces