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Quality Control Final Test Exam Questions
And Answers |Latest 2025 | Guaranteed Pass
What is quality control and why is it important? - Answer✔- A way that we ensure that the
results we are reporting are accurate - regular operational activities that ensure high-quality
test results
- Guides us to complete our work to produce accurate, precise, reliable, and timely results -
reduces the risk of error which reduces the risk of harm to the patients
What are examples of qualitative and quantitative control? - Answer✔Qualitative -
Agglutination is positive or negative, growth/no growth
Quantitative - Numerical result matches the expected value,
CBC (complete blood count)
Define quality assurance: - Answer✔- Policies and procedures that help fulfill quality
requirements
- QA monitors QC data and looks to improve processes
- Not done daily like QC
Define quality system: - Answer✔System to maintain and improve lab processes to meet quality
goals
1
, ©FYNDLAY 2025 ALL RIGHTS RESERVED 8:29 AM A+
What percent of lab errors impact patient health? - Answer✔12.5%
What are negative consequences of lab error? - Answer✔- Delay in correct diagnosis
- Unnecessary treatment; treatment complications
- Failure to provide the proper treatment
- Additional and unnecessary diagnostic testing
What does the total quality management system include? - Answer✔- Quality planning
- Quality control
- Quality assessment
- Quality improvement
What is the workflow path of the lab and what does each category include? - Answer✔Pre-
analytical
- Test ordering
- Specimen collection
- Specimen transport
- Specimen receipt and processing
Analytical
- Test performance
- Review of test results
- Interpretation of test results
Post-analytical
- Test result reporting
- Specimen management
2
, ©FYNDLAY 2025 ALL RIGHTS RESERVED 8:29 AM A+
At what stage do the majority of lab errors occur? What are some examples? -
Answer✔Preanalytical
- The wrong test being ordered
- Patient/sample misidentification
- Timing of collection: before/after medications, time of day (for cortisol)
- Fasting can affect results
- Patient positioning (prone vs supine, sitting/standing)
- Blood location (vein vs artery vs capillary)
- How the collection site was cleaned
- Collection technique
- Specimen transport
- Specimen receipt and processing
- Improper storage
Define Internal QC: - Answer✔Internal QC is done "in house" to check for any possible errors on
a day-to-day basis.
Define External QC: - Answer✔- Done by a third party, it is called proficiency testing.
- Ensures that the tests are being done correctly and that there is not a gap in knowledge for
the staff; used to complement internal QC.
Define Delta Check: - Answer✔- Comparison of current results of a lab test with previous results
for the same test on the same patient.
- Help to rule out mislabelling, clerical error, or analytical error.
3
Quality Control Final Test Exam Questions
And Answers |Latest 2025 | Guaranteed Pass
What is quality control and why is it important? - Answer✔- A way that we ensure that the
results we are reporting are accurate - regular operational activities that ensure high-quality
test results
- Guides us to complete our work to produce accurate, precise, reliable, and timely results -
reduces the risk of error which reduces the risk of harm to the patients
What are examples of qualitative and quantitative control? - Answer✔Qualitative -
Agglutination is positive or negative, growth/no growth
Quantitative - Numerical result matches the expected value,
CBC (complete blood count)
Define quality assurance: - Answer✔- Policies and procedures that help fulfill quality
requirements
- QA monitors QC data and looks to improve processes
- Not done daily like QC
Define quality system: - Answer✔System to maintain and improve lab processes to meet quality
goals
1
, ©FYNDLAY 2025 ALL RIGHTS RESERVED 8:29 AM A+
What percent of lab errors impact patient health? - Answer✔12.5%
What are negative consequences of lab error? - Answer✔- Delay in correct diagnosis
- Unnecessary treatment; treatment complications
- Failure to provide the proper treatment
- Additional and unnecessary diagnostic testing
What does the total quality management system include? - Answer✔- Quality planning
- Quality control
- Quality assessment
- Quality improvement
What is the workflow path of the lab and what does each category include? - Answer✔Pre-
analytical
- Test ordering
- Specimen collection
- Specimen transport
- Specimen receipt and processing
Analytical
- Test performance
- Review of test results
- Interpretation of test results
Post-analytical
- Test result reporting
- Specimen management
2
, ©FYNDLAY 2025 ALL RIGHTS RESERVED 8:29 AM A+
At what stage do the majority of lab errors occur? What are some examples? -
Answer✔Preanalytical
- The wrong test being ordered
- Patient/sample misidentification
- Timing of collection: before/after medications, time of day (for cortisol)
- Fasting can affect results
- Patient positioning (prone vs supine, sitting/standing)
- Blood location (vein vs artery vs capillary)
- How the collection site was cleaned
- Collection technique
- Specimen transport
- Specimen receipt and processing
- Improper storage
Define Internal QC: - Answer✔Internal QC is done "in house" to check for any possible errors on
a day-to-day basis.
Define External QC: - Answer✔- Done by a third party, it is called proficiency testing.
- Ensures that the tests are being done correctly and that there is not a gap in knowledge for
the staff; used to complement internal QC.
Define Delta Check: - Answer✔- Comparison of current results of a lab test with previous results
for the same test on the same patient.
- Help to rule out mislabelling, clerical error, or analytical error.
3
