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The statistic that is the laboratory's best estimate of the analyte's true value for a specific level of
control is ✔Correct Answer-Mean
An abrupt demonstrated change in the mean is a ✔Correct Answer-Shift
The difference between the expectation of a test result and an accepted reference method is
referred to as ✔Correct Answer-Bias
The statistical process in the medical laboratory used to monitor and evaluate the analytical process
that produces patient results is ✔Correct Answer-Quality control
The statistic that quantifies how close numerical QC values are in relation to each other is
✔Correct Answer-Standard deviation
Under CLIA law, the process of testing and adjusting an instrument or test system to establish a
correlation between the measured response and the concentration or amount of the substance that
is being measuredby the test procedure is ✔Correct Answer-Calibration
A substance or constituent for which the laboratory conducts testing is ✔Correct Answer-an
analyte
A phrase used to describe the location where testing is performed (such as the bedside) is known as
✔Correct Answer-Point of care testing
What agency determines the complexity of a lab test system? ✔Correct Answer-FDA
TLA means ✔Correct Answer-total laboratory automation
Given %T, how is absorbance calculated? ✔Correct Answer-2-log%T
The chemistry methodology that is based on the fact that the vast majority of atoms in a flame
absorb energy at a characteristic wavelength is ✔Correct Answer-atomic absorption
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 is known as ✔Correct
Answer-Good clinical laboratory practices (GCLP)
Common hazards in the laboratory include ✔Correct Answer-- biological
- chemical
- radiological
Material Safety Data Sheets (M.S.D.S.) are now called ✔Correct Answer-safety data sheets
Prohibiting mouth pipetting is an example of ✔Correct Answer-a workplace control
, All of the following are bloodborne pathogens except ✔Correct Answer-epstein barr virus
How can you convert Celsius to Fahrenheit? ✔Correct Answer-[Celsius * (9/5)] + 32
What is the molarity of an unknown HCL solution with a specific gravity of 1.10 and an assay
percentage of 18.5%? (Atomic weights: H = 1.00794, Cl = 35.4527)
Specific gravity x Assay percentage = grams of compound/mL ✔Correct Answer-5.6M
The microscope objective in the 40X range is the ✔Correct Answer-high power
Common light bulbs used as light sources in microscopes include all except ✔Correct Answer-
Lithium
One of your best friends just had some lab work done and calls you asking you to get her a copy of
her results. What should you do? ✔Correct Answer-Tell your friend that you are not able to do
that.
Which of the following actions is appropriate when a cerebrospinal fluid (CSF) specimen is delivered
to the laboratory's specimen processing area? ✔Correct Answer-Deliver the specimens
immediately to the appropriate testing areas.
With the new advances in capillary punctures equipment, where is the most appropriate place to
perform a capillary blood collection on a newborn? ✔Correct Answer-Medial plantar surface of
the heel
You are getting ready to draw a CBC, PT and CMP on an eight year old. While explaining the
procedure to the patient, the child asks you if it is going to hurt. How should you respond?
✔Correct Answer-Tell them it's like a pinch that might sting and it's OK to cry but it is important
that they hold still.
A gel separator tube is received with orders for a direct antiglobulin test (DAT) and serum Glucose
test. How should this request be handled? ✔Correct Answer-Centrifuge the specimen once it has
clotted and deliver it to chemistry for the serum glucose test. The DAT will need to be recollected
because this is not the appropriate specimen.
Which of the following characterizes reversed-phase liquid-liquid chromatography? ✔Correct
Answer-Mobile phase is polar relative to the nonpolar stationary phase
Which of the following are the two methods used to characterize monoclonal proteins? ✔Correct
Answer-IEP and IFE
Which of the following uses a graphite cylinder to hold the sample? ✔Correct Answer-Flameless
atomic absorption spectrophotometer
The amount of wavelength isolation is a function of the monochromator type and of which of the
following? ✔Correct Answer-Width of entrance and exit slits
Which lamps are most common when working in the ultraviolet region? ✔Correct Answer-
Mercury arc and deuterium discharge