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Ch. 15 key terms

        Help!  

Question
Answer
Standardization of an innstrument used to perform diagnostic test   Calibration  
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Substance of known concerntration used to monitor the accuracy of test results   Control  
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Laboratory test result critical to patient survival   Critical value  
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Laboratory test performed in the patient care area   Point-of-care testing  
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Performance of tests on specimens provided by an external monitoring agency   Proficiency testing  
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Methods used to monitor the accuracy of procedures   Quality Control  
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Substance used to produce a chemical reaction   Reagent  
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Abrupt change in the mean of quality control results   Shift  
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Gradual change above or below the mean of quality control results   Trend  
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Amount of time between the request for a test and the reporting of results   Turnaround time  
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