Which of the following is a contraindication for incentive s…

Which of the following is a contraindication for incentive spirometry?              1.  A patient who is achieving < 30%              2.  A  patient who cannot cooperate or follow instructions              3.  An unconscious patient

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?