answers 100% 2026
A graphical presentation of run to run or day to day quality control values is a
Select one:
a. Levey-Jennings chart.
b. systematic flow chart.
c. westgard chart.
d. lawson chart. - Correct Answers Levey-Jennings chart
An abrupt demonstrated change in the mean is a
Select one:
a. shift.
b. trend.
c. variance.
d. deviation. - Correct Answers shift
Qualitative examinations are those that
a. qualify for waived testing.
b. produce non-numerical results.
c. do not require quality control.
d. do not require proficiency testing - Correct Answers produce non-numerical results
What characteristics/functions do calibrators have?
a. They contain a known amount of analyte being tested.
b. They monitor the quality of reagents.
c. They monitor the quality of the sample.
,d. They prevent equipment failure. - Correct Answers They contain a known amount of analyte
being tested
Established measures used to determine how well an organization meets needs and
operational performance expectations is referred to as
Select one:
a. quality indicators.
b. quality assurance.
c. process controls.
d. quality control. - Correct Answers quality indicators
A phrase used to describe the location where testing is performed (such as the bedside) is
known as
Select one:
a. point of care testing.
b. bedside remote testing.
c. physician performed testing.
d. waived testing. - Correct Answers point of care testing
Under CLIA law, the assaying of materials of known concentration in the same manner as
patient samples to substantiate the instrument or test system's calibration throughout the
reportable range for the patient test results is
Select one:
a. calibration.
b. calibration verification.
c. a challenge.
,d. quality control. - Correct Answers calibration verification
What agency determines the complexity of a lab test system?
Select one:
a. CMS
b. FDA
c. CDC
d. OSHA - Correct Answers FDA
The FDA Modernization Act of 1997 amended CLIA 1988's criteria for waived testing to state
that
Select one:
a. an associate degree is required for testing.
b. tests performed at home must be approved by the state.
c. the procedures perform methodologies that are so simple to perform and accurate as
to render the likelihood of erroneous results by the user negligible.
d. all operators must be licensed in their states. - Correct Answers the procedures perform
methodologies that are so simple to perform and accurate as
Devices based on electrophoretic principles are used in the clinical laboratory to perform all of
the following except to
Select one:
a. measure quantities of various proteins in plasma, urine, and CSF.
b. separate enzymes into their component isoenzymes.
c. identify antibodies.
d. measure molecules in a characteristic spectrum called the emission spectrum. - Correct
Answers measure molecules in a characteristic spectrum called the emission spectrum.
, Given %T, how is absorbance calculated?
Select one:
a. log %T - 2.
b. log %T + 2.
c. 2 + log %T.
d. 2 - log %T. - Correct Answers 2 - log %T
The chemistry methodology that is based on the fact that substances of clinical interest
selectively absorb or emit electromagnetic energy at different wavelengths is
Select one:
a. flourometry.
b. atomic absorption.
c. spectrophotometry.
d. photometry. - Correct Answers spectrophotometry
Which of the following electrophoresis support materials separates proteins on the basis of
charge and molecular size?
Select one:
a. Cellulose acetate
b. Agarose gel
c. Polyacrylamide gel
d. Starch gel - Correct Answers Agarose gel
In order for a laboratory to handle TB sputum and TB materials, the laboratory must operate
at a
Select one: