Capnography Exam

6 Questions | Total Attempts: 978

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Capnography Exam

The following exam will test knowledge on capnography.


Questions and Answers
  • 1. 
    Most capnography systems measure end tidal CO2 using:
    • A. 

      Mass spectrometry

    • B. 

      Magnetic resonance

    • C. 

      Infrared absorption

    • D. 

      Carbon dioxide sensitivity

  • 2. 
    As a person exhales:
    • A. 

      The alveoli empty at varied rates and degrees

    • B. 

      The alveoli in the apices empty first followed by the alveoli in the dependent regions

    • C. 

      The alveoli that are more compliant empty first

    • D. 

      The alveoli empty equally, regardless of location

  • 3. 
    In the normal patient the ETCO2 reading will be within _____ mmHg of the PaCO2.
    • A. 

      1-3

    • B. 

      3-10

    • C. 

      5-15

    • D. 

      10-20

  • 4. 
    When using capnography, it is unnecessary to do an arterial blood gas.
    • A. 

      True

    • B. 

      False

  • 5. 
    A normotensive patient has just been intubated and the monitor is reading a PetCO2 of 3mmHg.  This would indicate:
    • A. 

      Normal Function

    • B. 

      An esophageal intubation

    • C. 

      Increased shunt

    • D. 

      Cardiopulmonary instability

  • 6. 
    The End Tidal CO2 reatding appears to be "normal" but the reading varies by 15 from the PaCO2.  What are the possible causes? A.  Bronchospasm B. Pulmonary Emboli C. V/Q mismatch
    • A. 

      A only

    • B. 

      B only

    • C. 

      A and C

    • D. 

      A, B and C

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