A 60-year-old woman in the intensive care unit has a large arteriovenous fistula. Her cardiac output is 10 L/min, oxygen consumption is 250 mL/min, and pulmonary vein oxygen concentration is 180 ml/L. What is the pulmonary artery oxygen concentration (in ml/L) ?
A) 145
B) 155
C) 165
D) 185
E) 205
Correct Answer:
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