ASCP) LABORATORY OPERATIONS EXAM 2023-2024 ACTUAL
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EXAM 230 REAL EXAM QUESTIONS AND CORRECT DETAILED
ANSWERS WITH RATIONALES|AGRADE
The laboratory manager receives a complaint from the ICU about turnaround times for coagulation tests.
The first step in problem solving should be - ANSWER-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"? - ANSWER-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 - ANSWER-Document error and communicate to the lab supervisor so
that the risk manager conducts a root cause analysis
Preanalytical variables in laboratory testing includes - ANSWER-specimen acceptability
The first procedure to be followed if the blood gas instrument is out-of-control for all parameters is: -
ANSWER-recalibrate, then repeat control
A graph shows a positive correlation with points fairly close to the line. The new method can be
described as - ANSWER-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 - ANSWER-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) - ANSWER-Analysis system should be checked for a
deteriorating component
The precision of an instrument is validated by - ANSWER-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? - ANSWER-14.8-15.6 g/dL
In QC, +/- 2 SD from the mean includes what % of the sample population - ANSWER-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 - ANSWER-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 - ANSWER-5.50-6.10 mg/dL
An index of precision is statistically known as - ANSWER-Coefficient of variation (CV) the
lower CV= better precision
The term used to describe reproducibility is - ANSWER-precision
The ability of a procedure to measure only the component(s) it claims to measure is called -
ANSWERspecificity
The extent to which measurements agree with the true value of the quality being measured is known as
- ANSWER-accuracy
Diagnostic specificity is defined as the percentage of individual - ANSWER-without a given disease who
have a negative result by a given test
If the correlation coefficient (r) of two variables is 0: - ANSWER-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 -
ANSWERNational Labor Relations Act
Which of the following organizations was formed to encourage the voluntary attainment of uniformly
high standards in institutional medical care - ANSWER-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 - ANSWER-accreditation
CLIA was established to provide oversight to - ANSWER-any lab performing patient testing
Which statement about proficiency testing is true - ANSWER-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 -
ANSWERcommunication 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 - ANSWER-Have two
technologists perform the test independently
CAP requires refrigerator temperatures to be recorded: - ANSWER-daily
A paper or electronic report of lab results must include - ANSWER-The name and address of the testing
laboratory
CAP requires that glassware cleaning practices include periodic testing for - ANSWER-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 - ANSWER-directly measured on a specimen without any dilution or
concentration
HIPAA is a federal law that requires - ANSWER-confidentiality of patients' health care information
between two organizations
(
EXAM 230 REAL EXAM QUESTIONS AND CORRECT DETAILED
ANSWERS WITH RATIONALES|AGRADE
The laboratory manager receives a complaint from the ICU about turnaround times for coagulation tests.
The first step in problem solving should be - ANSWER-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"? - ANSWER-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 - ANSWER-Document error and communicate to the lab supervisor so
that the risk manager conducts a root cause analysis
Preanalytical variables in laboratory testing includes - ANSWER-specimen acceptability
The first procedure to be followed if the blood gas instrument is out-of-control for all parameters is: -
ANSWER-recalibrate, then repeat control
A graph shows a positive correlation with points fairly close to the line. The new method can be
described as - ANSWER-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 - ANSWER-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) - ANSWER-Analysis system should be checked for a
deteriorating component
The precision of an instrument is validated by - ANSWER-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? - ANSWER-14.8-15.6 g/dL
In QC, +/- 2 SD from the mean includes what % of the sample population - ANSWER-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 - ANSWER-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 - ANSWER-5.50-6.10 mg/dL
An index of precision is statistically known as - ANSWER-Coefficient of variation (CV) the
lower CV= better precision
The term used to describe reproducibility is - ANSWER-precision
The ability of a procedure to measure only the component(s) it claims to measure is called -
ANSWERspecificity
The extent to which measurements agree with the true value of the quality being measured is known as
- ANSWER-accuracy
Diagnostic specificity is defined as the percentage of individual - ANSWER-without a given disease who
have a negative result by a given test
If the correlation coefficient (r) of two variables is 0: - ANSWER-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 -
ANSWERNational Labor Relations Act
Which of the following organizations was formed to encourage the voluntary attainment of uniformly
high standards in institutional medical care - ANSWER-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 - ANSWER-accreditation
CLIA was established to provide oversight to - ANSWER-any lab performing patient testing
Which statement about proficiency testing is true - ANSWER-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 -
ANSWERcommunication 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 - ANSWER-Have two
technologists perform the test independently
CAP requires refrigerator temperatures to be recorded: - ANSWER-daily
A paper or electronic report of lab results must include - ANSWER-The name and address of the testing
laboratory
CAP requires that glassware cleaning practices include periodic testing for - ANSWER-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 - ANSWER-directly measured on a specimen without any dilution or
concentration
HIPAA is a federal law that requires - ANSWER-confidentiality of patients' health care information
between two organizations
