Medical Technology Licensure Examination (MTLE) Practice Exam

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Prepare for the Medical Technology Licensure Examination (MTLE). Utilize multiple choice questions and study guides to enhance your understanding and readiness. Ace your MTLE with confidence!

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What is a QC material that contains a single analyte with known concentration called?

Calibrator
Standard
Control
Reference material

The correct answer is: Standard

A QC material that contains a single analyte with a known concentration is accurately identified as a standard. In laboratory medicine, a standard serves as a baseline for testing and is used to verify the accuracy of test results. It provides a known value against which the performance of analytical methods can be measured. Standards are crucial in establishing the precision and accuracy of medical tests. By using a standard with a well-defined concentration, laboratory personnel can ensure their analytical methods are calibrated correctly and can produce reliable results. On the other hand, while calibrators and reference materials are related concepts, they serve slightly different purposes. A calibrator can also be used to adjust the analysis equipment against a known value but often implies a broader scope, including more than one analyte or being used for more specific calibration procedures. Reference materials, similarly, may not always feature a single analyte and can cover a wider range of known values. Controls, though essential for quality control, usually contain more than one analyte, thus differing from the definition provided in the question.