The primary effect of increased P CO 2 in the lungs is to cause________which________the ventilation -perfusion ratio back to a normal level.

Increased PCO2 in the lungs causes bronchodilation, which increases airflow and helps to normalize the ventilation-perfusion ratio by matching ventilation to perfusion.

The primary effect of increased P CO 2 in the lungs is to cause________which________the ventilation -perfusion ratio back to a normal level.

Increased PCO2 in the lungs causes bronchodilation, which increases airflow and helps to normalize the ventilation-perfusion ratio by matching ventilation to perfusion.

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The Primary Effect of Increased P_CO₂in the Lungs Is

Question 96

Multiple Choice

The primary effect of increased P_CO₂in 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: