A patient scheduled for a right lung pneumonectomy has a preoperative FEV1 of 2.0 L. A split lung quantitative V/Q study indicates a 55%/45% distribution of blood flow to the right and left lungs respectively. The patient's predicted postoperative (PPO) FEV1 would be:
A. 1.10 L
B. 1.00 L
C. 0.90 L
D. 0.80 L
Answer: C. 0.90 L
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