You arrive at the clinical chemistry laboratory one morning and discover that personnel from the third shift left you the QC sheet from the thyroid-stimulating hormone (TSH) run.The technician has circled the level I TSH control values,and you realize that all six of the level I control values are +3 s from the mean.No results have been released.Now it's your decision regarding what to do next.First,which Westgard rule(s) has (have) been violated?
A) 22s
B) 41s
C) 13s
D) All of the above rules have been broken.
Correct Answer:
Verified
Q1: Upon examination of the control chart of
Q2: Two types of error may be encountered
Q3: Upon examining a Levey-Jennings control chart for
Q4: Random error would be caused by:
A) contaminated
Q6: Preparation of a CLSI-defined procedure document of
Q7: According to CLIA regulations,a score of _
Q8: In regard to a Gaussian distribution,±2 s
Q9: Upon examination of the week's analytical run
Q10: Which one of the following would be
Q11: You have received your proficiency test results
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