1. Which of the following parameters does the pulse oximeter measure?
a b c d
a.  oxygen dissolved in plasma
b.  oxygen bound to hemoglobin
c.  carbon dioxide bound to hemoglobin
d.  carbon dioxide dissolved in plasma

2.  Which of the following conditions suggest organ ischemia and may benefit from administering supplemental oxygen despite a pulse oximeter reading of 100% saturation?
a b c d
a.  substernal chest pain with dysrhythmia
b.  acute stroke
c.  multisystem blunt force trauma
d.  all of the above    

3.  The primary utility (ies) of pulse Oximetry in field medical operations is/are:
a b c d
a.  Assess he relative severity of cardiopulmonary & airway disease along with history and physical examination
b.  Monitor the effectiveness of therapy
c.  Monitor for deterioration of the patients condition
d.  All of the above

4. Pulse Oximetry both oxygenation And ventilation.
a b
a.  true
b.  false

5.  In true hyperventilation syndrome the symptoms of lightheadedness and muscle cramps are due to:
a b c d
a.  Hyperoxygenation
b.  Hypoxia
c.  Low blood carbon dioxide & calcium
d.  High blood carbon dioxide and calcium

6. Which toxicologic problems may be he interpretation of pulse Oximetry unreliable?
a b c d
a.  Carbon monoxide (carboxyhemoglobin) from combustion products
b.  Nitrates, aniline or nitrobenzene (methemoglobin) from an industrial exposure
c.  Hydrogen sulfide (sulfhemoglobin) from a confined space rescue
d.  All of the above