Physiology The principle component of surfactant that reduces surface tension in the alveoli and keeps them inflated and non-collapsed? A Dipalmitoyl phosphatidylcholine B Phosphatidylglycerol C Carbohydrate component D Lipopolysaccharide 💡 Explanation The principle component of surfactant that reduces surface tension in the alveoli and keeps them inflated and non-collapsed? ✓ Correct Answer: A. Dipalmitoyl phosphatidylcholine