While Analyzing a Blood Gas Control Sample, You Notice a Trending

question 64

Multiple Choice

While analyzing a blood gas control sample, you notice a trending of several PCO₂ values above the 2 SD range over the last six control samples run. What corrective action would you consider at this time?
1) Check the function of the PCO₂ electrode.
2) Rerun the control sample a second time.
3) Repair or replace any failed components.

• A)1 and 2 only
• B)1 and 3 only
• C)2 and 3 only
• D)1, 2, and 3

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