Physiology True regarding vascularity of lung is A Hypoxia causes vasodilation B Pulmonary resistance is half of the systemic vascular resistance C Perfusion is more in the apical lobe than in base D Distended pulmonary veins in the lower lobe 💡 Explanation True regarding vascularity of lung is ✓ Correct Answer: D. Distended pulmonary veins in the lower lobe