Which of the following would you expect to occur if ventilation to an area of the lung remained constant but perfusion to this same area decreased?
1) The PACO2 should fall.
2) The PAO2 should fall.
3) The
ratio should rise.
A) 3 only
B) 1 and 2 only
C) 1 and 3 only
D) 1, 2, and 3
Correct Answer:
Verified
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