MLT laboratories and procedures Test/ MLT Laboratory
Operations BOC Exam Questions (Latest 2024/2025)
With Complete Solutions
Which action by the phleobotomist will comply with the CAP Safety Goal "To
improve patient and sample identification at the time of specimen collection" and
the Joint Commission Patient Safety Goal "To imrprove the accuracy of patient
identification"? - ANSWERmatch the name and medical record number on the
patients ID bracelet to the name and medical record number on the preprinted
collection label
A swab and requisition are received in the microbiology laboratory. The laboratory
receiving clerk notes a discrepancy between the patient identifiers on the requisition
and the specimen label, and questions the emergency department nurse MB. This is
the 4th specimen this week that has had a specimen discrepancy. What action is the
most appropriate to prevent this type of error in the future? - ANSWERdocument
error and communicate to laboratory supervisor so that the risk manager conducts a
root cause analysis
Preanalytical variables in laboratory testing include? - ANSWERspecimen
acceptability
The first procedure to be followed if the blood gas instrument is out of control for all
parameters is? - ANSWERrecalibrate, the repeat control
Shown above is a Levy-Jennings quality control chart, which represent 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? - ANSWERanalysis
system should be checked for deteriorating component
The mean value of a series of hemoglobin controls was found to be 15.2g/dL, and
the standard deviation was calculated at 0.20. Acceptable control range for the
laboratory is + or - 2 standard deviations. Which of the following represents the
allowable limits for the control? - ANSWER14.8-15.6g/dL
Upon completion of a run of cholesterol tests, the technician recognizes that the
controls are not within the 2 standard deviations confidence range. What is the
appropriate course of action? - ANSWERrun a new set of controls and repeat
specimens
The following data were calculated on a series of 30 determinations of serum uric
acid control: mean = 5.8mg/dL, 1 standard deviation = 0.15mg/dL. If confidence
limits are set at + or - 2 standard deviations, which if the following represents the
allowable limits for the control? - ANSWER5.50-6.10mg/dL
An index of precision is statistically known as the? - ANSWERcoefficient of variation
, The term used to describe reproductability is? - ANSWERprecision
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 quantity being
measured is known as? - ANSWERaccuracy
Diagnostic specificity is defined as the percentage of individuals? - ANSWERwithout a
given disease who have a negative result by a given test
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? - ANSWERThe
Joint Commission(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? -
ANSWERaccreditation
CLIA was established to provide oversight to? - ANSWERany lab performing patient
testing
CAP requires refrigerator temperatures to be recorded? - ANSWERdaily
A paper or electronic report of lab results must contain? - ANSWERthe name and
address of the testing laboratory
HIPAA is a federal law that requires? - ANSWERconfidentiality of patients health care
information between 2 organizations
Your friend calls and asks you to access his test results. Which of the following does
this violate? - ANSWERHIPAA
A technician is asked to clean out the chemical reagent storeroom and discard and
reagents no used in the past 5 years. How should the technician proceed? -
ANSWERconsult MSDS sheets for proper disposal
Using a common labeling system for hazardous material identification such as HMIS
or NFPA 704, the top red quadrant represents which hazard? - ANSWERflammability
If the HMIS or NFPA 704 hazardous material identification system has a number 4 in
the left blue quadrant, it represents a? - ANSWERhigh health hazard
Operations BOC Exam Questions (Latest 2024/2025)
With Complete Solutions
Which action by the phleobotomist will comply with the CAP Safety Goal "To
improve patient and sample identification at the time of specimen collection" and
the Joint Commission Patient Safety Goal "To imrprove the accuracy of patient
identification"? - ANSWERmatch the name and medical record number on the
patients ID bracelet to the name and medical record number on the preprinted
collection label
A swab and requisition are received in the microbiology laboratory. The laboratory
receiving clerk notes a discrepancy between the patient identifiers on the requisition
and the specimen label, and questions the emergency department nurse MB. This is
the 4th specimen this week that has had a specimen discrepancy. What action is the
most appropriate to prevent this type of error in the future? - ANSWERdocument
error and communicate to laboratory supervisor so that the risk manager conducts a
root cause analysis
Preanalytical variables in laboratory testing include? - ANSWERspecimen
acceptability
The first procedure to be followed if the blood gas instrument is out of control for all
parameters is? - ANSWERrecalibrate, the repeat control
Shown above is a Levy-Jennings quality control chart, which represent 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? - ANSWERanalysis
system should be checked for deteriorating component
The mean value of a series of hemoglobin controls was found to be 15.2g/dL, and
the standard deviation was calculated at 0.20. Acceptable control range for the
laboratory is + or - 2 standard deviations. Which of the following represents the
allowable limits for the control? - ANSWER14.8-15.6g/dL
Upon completion of a run of cholesterol tests, the technician recognizes that the
controls are not within the 2 standard deviations confidence range. What is the
appropriate course of action? - ANSWERrun a new set of controls and repeat
specimens
The following data were calculated on a series of 30 determinations of serum uric
acid control: mean = 5.8mg/dL, 1 standard deviation = 0.15mg/dL. If confidence
limits are set at + or - 2 standard deviations, which if the following represents the
allowable limits for the control? - ANSWER5.50-6.10mg/dL
An index of precision is statistically known as the? - ANSWERcoefficient of variation
, The term used to describe reproductability is? - ANSWERprecision
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 quantity being
measured is known as? - ANSWERaccuracy
Diagnostic specificity is defined as the percentage of individuals? - ANSWERwithout a
given disease who have a negative result by a given test
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? - ANSWERThe
Joint Commission(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? -
ANSWERaccreditation
CLIA was established to provide oversight to? - ANSWERany lab performing patient
testing
CAP requires refrigerator temperatures to be recorded? - ANSWERdaily
A paper or electronic report of lab results must contain? - ANSWERthe name and
address of the testing laboratory
HIPAA is a federal law that requires? - ANSWERconfidentiality of patients health care
information between 2 organizations
Your friend calls and asks you to access his test results. Which of the following does
this violate? - ANSWERHIPAA
A technician is asked to clean out the chemical reagent storeroom and discard and
reagents no used in the past 5 years. How should the technician proceed? -
ANSWERconsult MSDS sheets for proper disposal
Using a common labeling system for hazardous material identification such as HMIS
or NFPA 704, the top red quadrant represents which hazard? - ANSWERflammability
If the HMIS or NFPA 704 hazardous material identification system has a number 4 in
the left blue quadrant, it represents a? - ANSWERhigh health hazard
