Marked decreased FEV1 and FEV1/ FVC ratio are seen in
Correct Answer: Asthma
Description: In obstructive diseases like asthma,marked fall in FEV1 and FEV1/FVC ratio is present.In restrictive diseases like kyphoscoliosis and fibrosis,lung volumes like TLC,FRC,RV as well as FVC are lowered.Maximal expiratory flows like FEV1 are also reduced compared with normal values,but are relatively elevated when considered in relation to lung volumes.So FEV1/FVC ratio will be normal or slightly increased Ref:Harrison's medicine-18th edition,page no:2093.
Category:
Medicine
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now