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High Flow Nasal Oxygen: What’s What!

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1.  Which of the following describes high flow oxygen therapy?
  1. O2 devices requiring humidification
  2. O2 devices with flow rates of 10lpm or greater
  3. O2 devices with flow rates that exceed the patient’s inspiratory flow demand
  4. Any O2 device that meets the patient’s oxygen needs
2.  Which of the following best describes the role of heated humidity when using HFNC?
  1. Improve or maintain the function of the isothermic saturation boundary
  2. Increase aerosol production within the HFNC
  3. Reduce the risk of nasal trauma associated with HFNC
  4. Aid in secretion removal from the nares
3.  Which situation best describes optimal patient conditions while using HFNC?
  1. Normal rate and pattern, mouth open
  2. Normal rate and maximal inhalation, mouth open
  3. Increased rate and pattern, mouth closed
  4. Normal rate and pattern, mouth closed
4.  Indications for HFNC include which of the following?
  1. Acute Hypoxemic Failure
  2. Pneumonia
  3. Pre-term Stabilization of neonates
  4. All of the above
5.  When using HFNC therapy, the Respiratory Therapists should:
  1. Closely monitor the patient for desired outcomes
  2. Familiarize themselves with the functions and limitations of the HFNC device
  3. Actively participate in the weaning process
  4. All of the above

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