Physiology What will occur with increase in alveolar ventilation rate ? A Decreased paial pressure of O2 in alveoli B Decreased paial pressure of CO2 in alveoli C Decreased CO2 diffusion from blood to alveoli D Decreased O2 diffusion from alveoli to blood 💡 Explanation What will occur with increase in alveolar ventilation rate ? ✓ Correct Answer: B. Decreased paial pressure of CO2 in alveoli