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