The Human Respiratory System · NCERT Biology

Which of the following is an occupational respiratory disorder characterized by inflammation and leading to fibrosis (proliferation of fibrous tissues)?

  1. Asthma
  2. Emphysema
  3. Silicosis
  4. Bronchitis
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Correct answer: Silicosis

Silicosis and asbestosis are occupational respiratory disorders. In certain industries involving stone-breaking or grinding, long-term exposure to dust can give rise to inflammation leading to fibrosis (proliferation of fibrous tissues), causing serious lung damage.

Difficulty: Medium Question 20 of 20

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