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Oxygen Device Development: Comparisons From Then to Now

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1.  Bacterial pneumonia was the first disease that was systematically treated by:
  1. Helium
  2. Oxygen
  3. Nitrous oxide
  4. Hydrogen peroxide
2.  What is an advantage when using a high-flow nasal cannula?
  1. Meets inspiratory needs
  2. Possible increase of airborne transmission
  3. Oxygen waste during exhalation
  4. None of the above
3.  Approximately what percentage of FiO2 equals the Oxymask flow rate of 5 LPM?
  1. 24-27%
  2. 30-60%
  3. 36-69%
  4. 48-80%
4.  What is an identified disadvantage of using an aerosol trach mask device?
  1. Fixed FiO2 percentage
  2. Epistaxis
  3. Pressures sores are common
  4. Mask may need to be changed frequently if the patient has copious secretions
5.  The end-tidal Oxymask allows for monitoring:
  1. Carbon dioxide (CO2)
  2. Bicarb (HCO3)
  3. Heart rate (HR)
  4. Respiratory rate (RR)