What media are used to calibrate a blood gas analyzer's gas electrodes?
a. Standard pH buffer solutions
b. Bloodlike control media
c. Precision mixtures of O2 and CO2
d. Tonometered human blood samples
ANS: C
In most units, the media used to calibrate the gas electrodes are precision mixtures of oxygen and carbon dioxide.
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What does PPO stand for?
a. Patient Protection Office b. Preferred Provider Office c. Preferred Provider Organization d. Patient Provider Organization
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