CORRECTANSWERS2025 v v
The three major phases of laboratory testing that a QA program should evaluate include
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a. mean, standard deviation, and coefficient of variation.
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b. pre-op,operative,andpost-op. v v v
c. pre-analytical,analytical,andpost-analytical. v v v
d. outpatient, inpatient, and non-patient. - CORRECT ANSWER -c. pre-
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analytical, analytical, and post-analytical.
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The process by which test results achieve the same high levels of accuracy and precision that ca n be
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reproduced across measurement systems, laboratories and time is referred to as
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a. laboratoryprocess control. v v
b. laboratorycalibration. v
c. laboratorystandardization. v
d. laboratory verification. - CORRECT ANSWER -c. laboratory standardization.
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Whatcharacteristics/functionsdocalibratorshave?
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a. They contain a known amount of analyte being tested.
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b. They monitor the quality of reagents.
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c. They monitor the quality of the sample.
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d. Theyprevent equipment failure. - CORRECT ANSWER -
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a. They contain a known amount of analyte being tested.
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An abrupt demonstrated change in the mean is a
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,a. shift.
b. trend.
c. variance.
d. deviation. - CORRECT ANSWER -a. shift. v v v v v
Qualitative examinations are those that v v v v
a. qualify for waived testing. v v v
b. produce non-numerical results. v v
c. do not require quality control.
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d. do not require proficiency testing. - CORRECT ANSWER -b. produce non-numerical results.
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A property of a test that is used to describe its quality (such as accuracy, precision, sensitivity, et c.) is a
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a. performance characteristic. v
b. performanceenhancement. v
c. performance verification. v
d. performance specification. - CORRECT ANSWER -a. performance characteristic v v v v v v v
Under CLIA law, the process of testing and adjusting an instrument or test system to establish a
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correlation between the measured response and the concentration or amount of the substance that
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is being measuredby the test procedure is
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a. calibration.
b. calibration verification. v
,c. a challenge.
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d. quality control. - CORRECT ANSWER -a. calibration.
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What agency determines the complexity of a lab test system?
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a. CMS
b. FDA
c. CDC
d. OSHA - CORRECT ANSWER -b. FDAv v v v v
Certain moderate complexity microscopytests (such as urine sediment evaluation and skin scra
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pings) commonly performed by healthcare providers in the office setting are classified as
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a. provider moderatecomplexity tests. v v v
b. provider exemptstatus. v v
c. provider personnel testing. v v
d. providerperformed microscopy. - CORRECT ANSWER -d. provider performed microscopy.
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Policies and procedures that are intended to promote the quality and validity of test data and e nsure
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the reliability and integrity of data generated by analytical laboratories is known as
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a. CLIA Law. v
b. Quality Assurance Plan (QAP). v v v
c. Good Clinical Laboratory Practice (GCLP).
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d. Total Quality Management (TQM). - CORRECT ANSWER -
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c. Good Clinical Laboratory Practice (GCLP).
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, Devices based on electrophoretic principles are used in the clinical laboratory to perform all of t he
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following except to
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a. measure quantities of various proteins in plasma, urine, and CSF. v v v v v v v v v
b. separate enzymes into their component isoenzymes. v v v v v
c. identify antibodies. v
d. measure molecules in a characteristic spectrum called the emission spectrum. -
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CORRECT ANSWER -
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d. measure molecules in a characteristic spectrum called the emission spectrum.
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The chemistry methodology that is based on the fact that substances of clinical interest selectiv ely
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absorb or emit electromagnetic energy at different wavelengths is
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a. flourometry.
b. atomicBabsorption.
c. spectrophotometry.
d. photometry. - CORRECT ANSWER -c. spectrophotometry. v v v v v
Given %T, how is absorbance calculated?
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a. log %T - 2. v v v
b. log %T + 2. v v v
c. 2 + log %T.
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d. 2 - log %T. - CORRECT ANSWER -d. 2 - log %T.
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Prohibiting recapping of needles is an example of v v v v v v v