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The Primary Effect of Increased PCO2 in the Lungs Is

Question 17

Multiple Choice

The primary effect of increased PCO2 in the lungs is to cause________which________the ventilation -perfusion ratio back to a normal level.


A) vasodilation : decreases
B) bronchoconstriction : decreases
C) bronchodilation : increases
D) vasoconstriction : increases
E) vasoconstriction : decreases

Correct Answer:

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