physiology

Question 0

FEV1/FVC in obstructive lung disease

Answer 0

decreased (below 80%) but overall increased lung capacity

Question 1

FEV1/FVC in restrictive lung disease

Answer 1

normal 80% but they absolute values are decreased

Question 2

pulsus paradoxus

Answer 2

decrease of >10mmhg during inspiration can occur with obstructive lung disease and some cardiac disease