Which of the following is not true in obstructive lung disease?: (A) FEV|, (B) TLC|, (C) FVC|, (D) Reduced timed vital capacity
Answer is B. Ans. (b) TLC |Ref: Harrison 19th ed. / 306e-2fParameterObstructiveRestrictiveFEV1REDUCEDREDUCEDTLCNORMAL/ INCREASEDREDUCEDFVCREDUCEDREDUCEDFEV1/FVC RATIOREDUCEDNORMAL/INCREASEDRESIDUAL VOLUMEINCREASEDDECREASED