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Medicine

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Respiratory

Question
5 out of 11
 

All are decreased in infiltrative lung disease, except: (DNB June 2011)



A Vital capacity

B Alveolar arterial difference in PaO2

C Total lung capacity

D Lung compliance

Ans. B

Alveolar arterial difference in PaO2

Extra Edge: Infiltrative lung disease being a intrinsic (parenchymal) restrictive disease, TLC, VC & compliance all are reduced. But in such cases type I respiratory failure occurs so alveolar arterial PaO2 gap is increased.

Respiratory Flashcard List

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