Verified Answers |Actual Complete Exam |Already
Graded A+
The ultimate goal of a quality assessment (QA) program is to
A. maximize the productivity of the laboratory.
B. ensure that patient test results are precise.
C. ensure appropriate diagnosis and treatment of patients.
D. ensure the validity of laboratory results obtained. ✔Correct Answer-D. ensure the validity
of laboratory results obtained.
Which of the following is a pre analytical component of a QA program?
A. Quality control
B. Turnaround time
C. Technical competence
D. Preventive maintenance ✔Correct Answer-B. Turnaround time
Which of the following is a post analytical component of a QA program?
A. Critical values
B. Procedures
C. Preventive maintenance
D. Test utilization ✔Correct Answer-A. Critical values
Analytical components of a QA program are procedures and policies that affect the
A. technical testing of the specimen.
B. collection and processing of the specimen.
C. reporting and interpretation of results.
D. diagnosis and treatment of the patient. ✔Correct Answer-A. technical testing of the
specimen
The purpose of quality control materials is to
A. monitor instrumentation to eliminate downtime.
B. ensure the quality of test results obtained.
C. assess the accuracy and precision of a method.
D. monitor the technical competence of laboratory staff. ✔Correct Answer-C. assess the
accuracy and precision of a method.
Why are written procedures necessary?
A. To assist in the ordering of reagents and supplies for a procedure
B. To appropriately monitor the accuracy and precision of a procedure
C. To ensure that all individuals perform the same task consistently
, D. To ensure that the appropriate test has been ordered ✔Correct Answer-C. To ensure that
all individuals perform the same task consistently
Which of the following is not considered to be an analytical component of QA?
A. Reagents (e.g., water)
B. Glassware (e.g., pipettes)
C. Instrumentation (e.g., microscope)
D. Specimen preservation (e.g., refrigeration) ✔Correct Answer-D. Specimen preservation
(e.g., refrigeration)
Which of the following sources should include a protocol for the way to proceed when quality
control results exceed acceptable tolerance limits?
A. A reference book
B. A procedure
C. A preventive maintenance manual
D. A specimen-processing protocol ✔Correct Answer-B. A procedure
Technical competence is displayed when a laboratory practitioner
A. documents reports in a legible manner.
B. recognizes discrepant test results.
C. independently reduces the time needed to perform a procedure (e.g., by decreasing
incubation times)/
D. is punctual and timely. ✔Correct Answer-B. recognizes discrepant test results
Quality control materials should have
A. a short expiration date.
B. a matrix similar to patient samples.
C. their values assigned by an external and unbiased commercial manufacturer.
D. the ability to test pre analytical variables. ✔Correct Answer-B. a matrix similar to patient
samples.
Within one facility, what is the purpose of performing duplicate testing of a specimen by two
different laboratories (i.e., in-house duplicates)?
A. It provides little information because the results are already known.
B. It saves money by avoiding the need for internal quality control materials.
C. It provides a means of evaluating the precision of a method.
D. It can detect procedural and technical differences among laboratories. ✔Correct Answer-D.
It can detect procedural and technical differences among laboratories.
Interlaboratory comparison testing as with proficiency surveys provides a means to
A. identify critical values for timely reporting to clinicians.
B. ensure that appropriate documentation is being performed.
C. evaluate the technical performance of individual laboratory practitioners.