<prompt> What is the use of murphys eye present on the tip of endotracheal tubeAlternate path for ventilation if the proximal po gets blockedOpening for suctioningContinuous suctioning poTo make the tube light  <response>: Murphys eye is provided to serve as alternate pathway for ventilation. Murphy Endotracheal Tube. The Murphy eye is the eponymous name for a hole on the side of mostendotracheal tubes ETTs that functions as a vent, and prevents the complete obstruction of the patients airway, should the primary distal opening of an ETT become occluded. 