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Question 262 / 323
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qualitycontrol-262
INTRA-LABORATORY DUPLICATES — The text describes control of analytical quality using patient data. What are INTRA-LABORATORY DUPLICATES and how are they used?
A. Intra-laboratory duplicates are two separate control sera run simultaneously
B. SAMPLES CAN BE DIVIDED INTO TWO ALIQUOTS AND ANALYZED; THE DUPLICATE CAN BE USED FOR CONTROL PURPOSES — detecting random analytical errors by comparing the two results from the same specimen
C. Intra-laboratory duplicates are the same as external quality assessment
D. Intra-laboratory duplicates refer to testing the same patient twice on different days
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