What is true for restrictive lung disease?
Correct Answer: FEV1/FVC increased, compliance decreased
Description: In Restrictive lung disease, parenchymal involvement will lead to pulmonary fibrosis and hence it will be difficult to inflate the lung leading to the reduction in lung compliance. The FEV1/ FVC ratio is increased in restrictive lung disease because the numerator and denominator in the ratio are both reduced in restrictive lung disease, with FVC decreasing dispropoionately.
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