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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
Substance has been shown to be unaffected by diet, gender, race, age, or muscle mass and useful in
detecting renal disease? ✔Correct Answer-Cystatin C
Creatinine Clearance is reported in units of: ✔Correct Answer-mL/min
The reduction of oxaloacetate to malate dehydrogenase is used in the measurement of which
enzyme? ✔Correct Answer-AST
Used as an indicator enzyme in the measurement of ALT ✔Correct Answer-LD
What is the relationship between plasma creatinine and muscle mass? ✔Correct Answer-Directly
proportional
What characteristic/functions do calibrator have? ✔Correct Answer-They contain a known amount
of analyte being tested.
Qualitative examinations are those that: ✔Correct Answer-Produce non-numerical results
Prohibiting recapping of needles is an example of: ✔Correct Answer-A workplace control
Most critical step in microscope maintenance is: ✔Correct Answer-Prevention of breakage
Which type of diabetes mellitus may be characterized by insulin resistance with an insulin secretory
defect? ✔Correct Answer-type 2 diabetes
What rises first in response to inflammation? ✔Correct Answer-C-reactive protein (CRP)
protein portion of an enzyme ✔Correct Answer-Apoenzyme
AST is classified as a(n) ✔Correct Answer-Transferase
Which of the following enzymes considered more specific for pancreatic disorders? ✔Correct
Answer-Lipase (LPS)
An International Unit (IU) is defined as the amount of enzyme that will catalyze which of the
following? ✔Correct Answer-1 umole of substrate per min