What can cause an increased ventilation-perfusion ratio to develop? ?
I. increase in ventilation
II. decrease in ventilation
III. decrease in perfusion
IV. increase in perfusion
A) I and IV only
B) II and IV only
C) I only
D) I and III only

Question

Quizplus · Accepted Answer

The ventilation-perfusion ratio increases either when ventilation increases (more air flow to the alveoli) or when perfusion decreases (less blood flow to the alveoli).

What Can Cause an Increased Ventilation-Perfusion Ratio to Develop