KROK 1 2023 – Question 69 · KROK (Medicine) · Pathophysiology

A patient with pulmonary fibrosis presents with decreased pulmonary ventilation. What parameter of the external respiration system will change in this patient?

  1. A. Residual volume will increase
  2. B. Lung dead space will increase in volume
  3. C. Vital capacity of the lungs will decrease
  4. D. Expiratory reserve volume will increase
  5. E. Inspiratory reserve volume will increase
Hint

Pulmonary fibrosis stiffens the lungs, so they cannot expand and hold less air; think of which lung volume or capacity falls in such a restrictive pattern.

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