If FEV1 is 1.3 L, FVC is 3.1 L in an adult man, the pattern is suggestive of:
Correct Answer: Obstructive lung disease
Description: Obstructive lung disease:- - FEV1 is reduced due to obstruction of air escaping from the lungs. Thus, FEV1/ FVC ratio will be reduced. Restrictive lung disease:- - FEV1 and FVC are equally reduced due to fibrosis or other lung pathology . Thus,FEV1/FVC ratio -normal or even increased. In this question, a ratio of 1.3/3.1 is about 40% in contrast to a normal of > 80%.
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