Question 1

Laboratory results that are reported as positive or negative are:

Accepted Answer

A) Quantitative 
B) Qualitative 
C) Critical 
D) Reference 
A) Quantitative 
B) Qualitative 
C) Critical 
D) Reference B

Question 2

It is only necessary to test a quality-control specimen when running a quantitative laboratory test.

Accepted Answer

A) True 
 B)False  False

Question 3

Internal quality control provides a quantitative result.

Accepted Answer

A) True 
 B)False  False

Question 4

Which of these are examples of quality-control methods used in the laboratory?

Accepted Answer

A) External quality control 
B) Internal quality control 
C) Levey-Jennings quality control 
D) A and B 
A) External quality control 
B) Internal quality control 
C) Levey-Jennings quality control 
D) A and B

Question 5

Quality-control testing is always performed at the same interval in every laboratory for every test.

Accepted Answer

A) True 
 B)False

Question 6

Which of these does not accurately describe the relationship between quality control and quality assurance?

Accepted Answer

A) Quality assurance is more closely associated with appropriate patient preparation than quality control is. 
B) Quality assurance is more closely associated with testing procedures than quality control is. 
C) Quality assurance is more closely associated with result management than quality control is. 
D) Quality assurance is more closely associated with specimen handling and storage than quality control is. 
A) Quality assurance is more closely associated with appropriate patient preparation than quality control is. 
B) Quality assurance is more closely associated with testing procedures than quality control is. 
C) Quality assurance is more closely associated with result management than quality control is. 
D) Quality assurance is more closely associated with specimen handling and storage than quality control is.

Question 7

A valid result is always reported as positive.

Accepted Answer

A) True 
 B)False

Question 8

How are quality control and quality assurance associated with one another?

Accepted Answer

A) Quality control is part of quality assurance. 
B) Quality assurance is part of quality control. 
C) They are two unique methods that are not related. 
D) Quality control and quality assurance are the same thing. 
A) Quality control is part of quality assurance. 
B) Quality assurance is part of quality control. 
C) They are two unique methods that are not related. 
D) Quality control and quality assurance are the same thing.

Question 9

Proficiency testing compares the results for a specific test to:

Accepted Answer

A) Other laboratories 
B) A standardized sample 
C) An established range 
D) A quality-control sample 
A) Other laboratories 
B) A standardized sample 
C) An established range 
D) A quality-control sample

Question 10

Nancy is a medical assistant working in the laboratory at a busy family practice clinic. She has been asked to perform a CLIA-waived test for the presence of group A streptococcal infection. As she starts to prepare for the test, what are two items that she should verify that pertain to the testing procedure?

Accepted Answer

Answers should include the exp

Question 11

Troubleshooting is a term used to describe investigative processes utilized when the quality-control results are not within the expected ranges.

Accepted Answer

A) True 
 B)False

Question 12

In addition to the QC results and the date, what other information should be documented on a Quality Control Log?

Accepted Answer

A) No additional information is necessary. 
B) Lot numbers, acceptable ranges, and interpretation of results 
C) Clinical significance of test 
D) All of the above 
A) No additional information is necessary. 
B) Lot numbers, acceptable ranges, and interpretation of results 
C) Clinical significance of test 
D) All of the above

Question 13

It is possible for a set of quantitative quality-control results to be precise but not accurate.Short Answer

Accepted Answer

A) True 
 B)False

Question 14

List three things that need to be considered when troubleshooting a problem with a test result.

Accepted Answer

The answers may vary but might

Question 15

Precision measures how close a result is to the actual value for that test.

Accepted Answer

A) True 
 B)False

Question 16

Calibration verification is:

Accepted Answer

A) The verification of the success of a calibration process by analyzing quality-control samples 
B) A process used to verify whether an employee is performing a testing procedure properly 
C) When test results for a specific analyte are compared to results from other laboratories 
D) Performed on all CLIA-waived test kits before performing patient testing 
A) The verification of the success of a calibration process by analyzing quality-control samples 
B) A process used to verify whether an employee is performing a testing procedure properly 
C) When test results for a specific analyte are compared to results from other laboratories 
D) Performed on all CLIA-waived test kits before performing patient testing

Question 17

Quality-assurance methods utilized during the postanalytical phase include all the items listed below except:

Accepted Answer

A) Transmission of results to the health-care provider in a timely manner 
B) Appropriate notation of reference ranges included with patient results 
C) Correct units of measurement reported with test results 
D) Appropriate patient preparation for specimen collection 
A) Transmission of results to the health-care provider in a timely manner 
B) Appropriate notation of reference ranges included with patient results 
C) Correct units of measurement reported with test results 
D) Appropriate patient preparation for specimen collection

Question 18

Results that are significantly outside the expected reference range and indicate a crisis patient condition are known as:

Accepted Answer

A) Competent results 
B) Qualitative results 
C) Critical results 
D) Reference results 
A) Competent results 
B) Qualitative results 
C) Critical results 
D) Reference results

Question 19

Which of these terms is used to describe how close a laboratory result is to the true value?

Accepted Answer

A) Precision 
B) Trend 
C) Accuracy 
D) Mean 
A) Precision 
B) Trend 
C) Accuracy 
D) Mean

Exam 4: Assuring Quality

Laboratory results that are reported as positive or negative are:

It is only necessary to test a quality-control specimen when running a quantitative laboratory test.

Internal quality control provides a quantitative result.

Which of these are examples of quality-control methods used in the laboratory?

Quality-control testing is always performed at the same interval in every laboratory for every test.

Which of these does not accurately describe the relationship between quality control and quality assurance?

A valid result is always reported as positive.

How are quality control and quality assurance associated with one another?

Proficiency testing compares the results for a specific test to:

Troubleshooting is a term used to describe investigative processes utilized when the quality-control results are not within the expected ranges.

In addition to the QC results and the date, what other information should be documented on a Quality Control Log?

It is possible for a set of quantitative quality-control results to be precise but not accurate.Short Answer

List three things that need to be considered when troubleshooting a problem with a test result.

Precision measures how close a result is to the actual value for that test.

Calibration verification is:

Quality-assurance methods utilized during the postanalytical phase include all the items listed below except:

Results that are significantly outside the expected reference range and indicate a crisis patient condition are known as:

Which of these terms is used to describe how close a laboratory result is to the true value?

The Clinical Laboratory

Regulations Governing Laboratory Personnel

Laboratory Safety and Preventing the Spread of Disease

Legal and Ethical Issues

Laboratory Equipment

Overview of Specimen Collection and Processing

Collection and Processing of Blood Samples

Collection and Processing of Urine Samples

Collection and Processing of Samples for Microbial Studies

Overview of Hematology

Complete Blood Count Cbc With Differential

Hemoglobin and Hematocrit

Erythrocyte Sedimentation Rate Esr

Coagulation Studies

Overview of Clinical Chemistry

Glucose Testing

Other Select Chemistry Tests

Urinalysis

Physical Characteristics of Urine

Chemical Examination of Urine and Feces

Microscopic Examination of Urine

Immunology

Immunologic Based Rapid Testing

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