Upon Examination of the Week's Analytical Run of Plasma Glucose

question 18

Multiple Choice

Upon examination of the week's analytical run of plasma glucose tests,you notice that four consecutive normal control values are +1 s (standard deviation) from the mean.In your QC report,you note that a Westgard multirule has been broken and realize that this rejection rule is sensitive to a specific type of error.An example of this type of error would be:

• A) poor pipetting technique.
• B) incubator temperature change.
• C) improper calibrator preparation.
• D) unstable photometer.

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