Which of the following is not true in obstructive lung disease?
High-Yield Explanation
Ans. (b) TLC |Ref: Harrison 19th ed. / 306e-2fParameterObstructiveRestrictiveFEV1REDUCEDREDUCEDTLCNORMAL/ INCREASEDREDUCEDFVCREDUCEDREDUCEDFEV1/FVC RATIOREDUCEDNORMAL/INCREASEDRESIDUAL VOLUMEINCREASEDDECREASED