Multiple Choice
Which of the following pulmonary function values characterize an obstructive lung defect?
I.The forced vital capacity (FVC) may remain normal.
II.The forced expiratory volume in 1 second (FEV₁) is decreased.
III.The ratio of residual volume to total lung capacity (RV/TLC) may be normal.
IV.The FEV₁ is decreased.
A) II and IV only
B) I,II,and III only
C) I,III,and IV only
D) II,III,and IV only
Correct Answer:
Verified
Correct Answer:
Verified
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