and answers rated A+
The statistic that quantifies how close numerical QC values are in relation to each other is: - correct
answer ✔✔standard deviation
The reproducibility of a value upon repeated measurements is referred to as: - correct answer
✔✔Precision
The closeness of a measurement to its true value is referred to as: - correct answer ✔✔Accuracy
Safety Data Sheets (SDS) - correct answer ✔✔MSDS (Material Safety Data Sheet) are now called
A graphical presentation of run to run or day to day quality control values is a: - correct answer
✔✔Level-Jennings chart
Established measures used to determine how well an organization meets needs and operational
performance expectations is referred to as: - correct answer ✔✔Quality indicator
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 result is: - correct answer ✔✔Calibration Verification
What agency determines the complexity of a lab test system? - correct answer ✔✔FDA (Food and Drug
Administration)
A substance or constituent for which the laboratory conducts testing is: - correct answer ✔✔Analyte
, Policies and procedures that are intended to promote the quality and validity of test data and ensure the
reliability and integrity of data generated by analytical laboratories. - correct answer ✔✔Good Clinical
Laboratory Practice (GCLP)
Concentration of antigen (analyte) exceeds the amount of the antibody present in the reaction. - correct
answer ✔✔Hook effect
Electrophoresis support material that separates proteins on the basis of charge and molecular size -
correct answer ✔✔polyacrylamide gel
An immunoassay methodology using either europium or phyconiliproteins would use which detection
method? - correct answer ✔✔Fluorometer
Instrument that ionizes the target molecule then separates and measured the mass-to-charge ratio. -
correct answer ✔✔Mass Spectrometer
Prevents the coagulation by inhibiting coagulation. - correct answer ✔✔Chelation of Calcium in EDTA
tube
Which label used in detection of electrochemiluminescence? - correct answer ✔✔Ruthenium III
Key membrane component for potassium selective electrode. - correct answer ✔✔Valinomycin
POCT devices use a variety of analytical principles such as reflectance, spectrometry, fluorescence, and
_________. - correct answer ✔✔PCR
Measurement of the decrease of intensity of an incident light beam as it passes through a solution of
particles defines which of the following methods? - correct answer ✔✔Turbidimetry
Uses a graphite cylinder to hold the sample - correct answer ✔✔Flame-less atomic absorption
spectrophotometer