KROK 1 2016 – Question 19 · KROK (Medicine) · Physiology
A patient demonstrates sharp decrease of pulmonary surfactant activity. This condition can result in:
- A. Hyperoxemia
- B. Alveolar tendency to recede
- C. Decreased work of expiratory muscles
- D. Increased pulmonary ventilation
- E. Decreased airways resistance
Hint
Apply the law of Laplace: ask what happens to the stability of small air spaces when the surface tension of their lining fluid is no longer reduced.
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