GUIDE WITH PRACTICE QUESTIONS
◉ An abrupt demonstrated change in the mean is a
Select one:
a. shift.
b. trend.
c. variance.
d. deviation. Answer: 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 Answer: 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. Answer: 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. Answer: 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. Answer: 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. Answer: calibration verification
◉ What agency determines the complexity of a lab test system?
Select one:
a. CMS
b. FDA
c. CDC
d. OSHA Answer: 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. Answer: 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. Answer: 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.