Anaesthesia The oxygen flush valve – all true except A A flow between 25 and 50 L/minute can be delivered B Barotraumas has been repoed on its use C It can be activated regardless of master switch on off D It deliver is oxygen at 55 to 60 psi pressure 💡 Explanation The oxygen flush valve - all true except ✓ Correct Answer: A. A flow between 25 and 50 L/minute can be delivered