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Surgery General 9dc8a790

In obstructive lung all are true EXCEPT

A
Residual volume normal
B
FEV decrease
C
FEV1/FVC decreases
D
Vital capacity normal
High-Yield Explanation
Residual volume normal REF: Harrison's Internal Medicine 17th ed> Chapter 246. Disturbances of Respiratory Function See APPENDIX-53 for "OBSTRUCTIVE VS RESTRICTIVE LUNG DISEASE"

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