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Medicine

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Respiratory

Question
2 out of 11
 

Features of restrictive lung disease is (AIIMS Nov 2013)



A FEV1/FVC decreases and compliance decreases

B FEV1/FVC increases and compliance increases

C FEV1/FVC decreases and compliance increases

D FEV1/FVC increases and compliance decreases

Ans. D

FEV1/ FVC increases and compliance decreases

Restrictive lungs diseases are characterized by decreased compliance and normal or increased FEV1/FVC

1). The hallmark of restrictive lungs disease is a decrease in lung volumes primarily TLC and V.C (FVC is decreased)

2). Compliance decreases in restrictive lung disease. Compliance is usually unaffected in obstructive lung disease except in emphysema where it is increase.

3). Emphysema is associated with an increased static compliance.

4). In surfactant deficiency leads to atelectasis. That causes reduced compliance.

Respiratory Flashcard List

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