A 25-year-old man has sustained a gunshot wound to his abdomen. His blood pressure is dropping due to hemorrhage. Which of the following statements about his condition is correct?
A) As his cardiac output and blood pressure drop, the number of zone I regions in his lung will decrease
B) If he sits upright, the number of zone I regions in his lung will decrease
C) The V/Q in the zone I regions of his lung is very low
D) His physiological dead space is increasing because of an increase in zone I regions of his lung
Correct Answer:
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