Passed
The laboratory manager receives a complaint from the ICU about turnaround times for coagulation
tests. The first step in problem solving should be - Answers Gather data on current times by shift
Which action by the phlebotomist will comply with the CAP patient safety goal "to improve patient and
sample identification at the time of specimen collection" and The Joint Commission Patient Safety Goal
to "improve the accuracy of patient identification"? - Answers Match the name and medical record
number on the patient's ID bracelet to the nae and medical record number on the preprinted collection
label
If the information on a swab collected in the micro department is different from the information on the
requisition form, what do you do - Answers Document error and communicate to the lab supervisor so
that the risk manager conducts a root cause analysis
Preanalytical variables in laboratory testing includes - Answers specimen acceptability
The first procedure to be followed if the blood gas instrument is out-of-control for all parameters is: -
Answers recalibrate, then repeat control
A graph shows a positive correlation with points fairly close to the line. The new method can be
described as - Answers good correlation with constant bias
A graph has 4 lines. A being the steepest and D being the least-steep. The line that demonstrates a
proportional error relationship is - Answers Line D
Shown above is a levy-jenningsQC chart, which represents control values for 13 consecutive analyses for
a particular serum constituent. If the 14th value is below the -2SD limit, Which of the following should
be done (points 7-14 will be descreasing) - Answers Analysis system should be checked for a
deteriorating component
The precision of an instrument is validated by - Answers running the same sample multiple times
The mean value of a series of HGB controls was found to be 15.2 g/dL, and the standard deviation was
calculated at 0.20. Acceptable control range for the laboratory is +/- 2 SD. Which of the following
represents the allowable limits for the control? - Answers 14.8-15.6 g/dL
In QC, +/- 2 SD from the mean includes what % of the sample population - Answers 95%
Upon completion of a run of cholesterol tests, the technician recognizes that the controls are not within
the 2 SD confidence range. What s the appropriate course of action - Answers Run a new set of controls
and repeat specimens
The following data were calculated on a series of 30 determination of serum uric acid control:
mean=5.8mg/dL
,1SD =0.15 mg/dL
If the confidence limits are set at 2SD, what is the allowable range - Answers 5.50-6.10 mg/dL
An index of precision is statistically known as - Answers Coefficient of variation (CV)
the lower CV= better precision
The term used to describe reproducibility is - Answers precision
The ability of a procedure to measure only the component(s) it claims to measure is called - Answers
specificity
The extent to which measurements agree with the true value of the quality being measured is known as
- Answers accuracy
Diagnostic specificity is defined as the percentage of individual - Answers without a given disease who
have a negative result by a given test
If the correlation coefficient (r) of two variables is 0: - Answers There is an absence of correlation
Employees are guaranteed the right to engage in self-organization and collective bargaining through
representatives of their choice, or to refrain from these activities by which of the following - Answers
National Labor Relations Act
Which of the following organizations was formed to encourage the voluntary attainment of uniformly
high standards in institutional medical care - Answers JCAHO
The process by which an agency or organization uses predetermined standards to evaluate and
recognize a program of study in an institution is called - Answers accreditation
CLIA was established to provide oversight to - Answers any lab performing patient testing
Which statement about proficiency testing is true - Answers It is necessary to assess results even if a PT
challenge is ungraded
Which of the following is part of the joint commission's national patient safety goals - Answers
communication of critical results
If your lab performs a test for which there is no commercially available control of proficiency test
material, which of the following is acceptable for documentation of test accuracy - Answers Have two
technologists perform the test independently
CAP requires refrigerator temperatures to be recorded: - Answers daily
A paper or electronic report of lab results must include - Answers The name and address of the testing
laboratory
, CAP requires that glassware cleaning practices include periodic testing for - Answers detergents
Prior to implementing a new lab test, the analytical measurement range (AMP) must be verified. This is
to verify a value that can be - Answers directly measured on a specimen without any dilution or
concentration
HIPAA is a federal law that requires - Answers confidentiality of patients' health care information
between two organizations
Your friend calls and asks you to access his test results. Which does this violate - Answers HIPAA
An ICD-9 code is related to - Answers test methodology
A technician asks you to clean out the chemical reagent storeroom and discard any reagents not used in
the past 5 years. How should the technician proceed - Answers Consult MSDS for proper disposal
Using a common labeling system for hazardous material identification such as HMIS or NFPA 704, what
does the red quadrant indicate - Answers flammability
If the HMIS or NFPA 704 hazardous material identification system has a number 4 in the left blue
quadrant, it represents a - Answers high health hazard
Which chemical is a potential carcinogen - Answers formaldehyde
Compressed gas cylinders should: - Answers Be secured upright to the wall or other stable source
A chemical test is extremely volatile, flammable, and capable or forming explosive peroxides upon long
term contact with atmospheric oxygen is - Answers diethyl ether
The HMIS or NFPA 704hazardous material identification system rating for a slightly toxic chemical would
be - Answers 1 in the blue quadrant
A chemical that causes immediate visible destruction or irreversible alterations of human tissue at the
contact site is best classified as a(n) - Answers corrosive
Labels on shipped chemicals from manufacturers, importers or distributors are required to include
information on - Answers appropriate hazard warnings
When hazardous chemicals are transferred from the original appropriately labeled container(s) to a
secondary container for immediate use by the person performing the transfer, it: - Answers does not
require labeling
Which hazardous chemical combinations are incompatible and should not be stored together - Answers
chlorine and ammonia
A technologist spilled 10 gallons of formaldehyde on the floor. After determining the chemical poses a
significant health hazard, the first action step would be to - Answers evacuate the area