Respiratory disorders · Physiology

Which disorder primarily reduces diffusion capacity of the lung?

  1. Asthma
  2. Pulmonary fibrosis
  3. Chronic bronchitis
  4. Pneumothorax
Show answer and explanation

Correct answer: Pulmonary fibrosis

Pulmonary fibrosis thickens the alveolar-capillary membrane. This impairs gas diffusion.

Difficulty: Medium Question 18 of 20

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