You note that the air intake ports surrounding the jet of  a…

You note that the air intake ports surrounding the jet of  a 35% air-entrainment mask are partially obstructed by the patient’s bedding.  You would expect that the device’s total output flow would _________ and the percent O2 delivered by the device would ____________.

Before discharging a patient on oxygen, you instruct the car…

Before discharging a patient on oxygen, you instruct the caregiver on how to calculate the amount of oxygen available in an E cylinder for visits to the physician.  The trip will take approximately 3 hours with the patient requiring 2 lpm O2 via nasal cannula.  How long will an E-cylinder with 2000psi last for this patient?