Anaesthesia In a patient with fixed respiratory obstruction Helium is used along with Oxygen instead of plain oxygen because – A It decreases oxygenation B It decreases turbulence C It decreases the dead space D It provides analgesia 💡 Explanation In a patient with fixed respiratory obstruction Helium is used along with Oxygen instead of plain oxygen because – ✓ Correct Answer: B. It decreases turbulence