Physiology Which of the following true about ventilation and perfusion in alveoli in erect posture? A Ventilation/perfusion ratio is maxm at apex B Ventilation/perfusion ratio is maxm at base C Ventilation is max at apex D Perfusion is max at apex 💡 Explanation Which of the following true about ventilation and perfusion in alveoli in erect posture? ✓ Correct Answer: A. Ventilation/perfusion ratio is maxm at apex