The Primary Effect of Increased PO2 in the Lungs Is

question 22

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

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