Multiple Choice
The primary effect of increased PO2 in the lungs is to cause________which________the ventilation -perfusion ratio back to a normal level.
A) vasodilation : decreases
B) bronchodilation : increases
C) vasoconstriction : decreases
D) bronchoconstriction : decreases
E) vasoconstriction : increases
Correct Answer:
Verified
Correct Answer:
Verified
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