Question 1

MATCHING
Match the term with the definition.

-Precision

Accepted Answer

A) How close a test result is to the true value 
B) Highly purified substances of a known composition 
C) Specimen with a known value that is similar in composition to the test specimen 
D) How close the test results are to one another when repeated analyses of the same material are performed 
A) How close a test result is to the true value 
B) Highly purified substances of a known composition 
C) Specimen with a known value that is similar in composition to the test specimen 
D) How close the test results are to one another when repeated analyses of the same material are performed D

Question 2

Specificity is defined as the:

Accepted Answer

A)  proportion of subjects with the specific disease or condition who have a positive test result. 
B)  proportion of subjects without the specific disease or condition who have a negative test result. 
C)  proportion of a population who have the disease. 
D)  Number of patients with a normal test result who do not have the disease. 
A)  proportion of subjects with the specific disease or condition who have a positive test result. 
B)  proportion of subjects without the specific disease or condition who have a negative test result. 
C)  proportion of a population who have the disease. 
D)  Number of patients with a normal test result who do not have the disease. B

Question 3

Match the term with the appropriate definition.
-Mode

Accepted Answer

A) Middle value in a body of data 
B) Value that occurs most frequently in a mass of data 
C) Mathematical average calculated by dividing the sum of all individual values by the number of values 
A) Middle value in a body of data 
B) Value that occurs most frequently in a mass of data 
C) Mathematical average calculated by dividing the sum of all individual values by the number of values B

Question 4

If the control value in a determination is out of the acceptable range,lack of attention to timing or incubation temperature may be the factor responsible.

Accepted Answer

A) True 
 B)False

Question 5

Sensitivity is defined as the:

Accepted Answer

A)  proportion of subjects with the specific disease or condition who have a positive test result. 
B)  proportion of subjects without the specific disease or condition who have a negative test result. 
C)  proportion of a population who have the disease. 
D)  number of patients with a normal test result who do not have the disease. 
A)  proportion of subjects with the specific disease or condition who have a positive test result. 
B)  proportion of subjects without the specific disease or condition who have a negative test result. 
C)  proportion of a population who have the disease. 
D)  number of patients with a normal test result who do not have the disease.

Question 6

Required regulation of clinical laboratories is achieved by (the):

Accepted Answer

A)  Clinical Laboratory Improvement Amendments of 1988. 
B)  The Joint Commission (TJC;formerly JCAHO). 
C)  College of American Pathologists (CAP). 
D)  American Hospital Association (AH
A) . 
A)  Clinical Laboratory Improvement Amendments of 1988. 
B)  The Joint Commission (TJC;formerly JCAHO). 
C)  College of American Pathologists (CAP). 
D)  American Hospital Association (AH
A) .

Question 7

If the control value in a determination is out of the acceptable range,the deterioration of reagents or standards may be the factor responsible.

Accepted Answer

A) True 
 B)False

Question 8

If the control value in a determination is out of the acceptable range,use of poor technique by the technologist doing the test may be the factor responsible.

Accepted Answer

A) True 
 B)False

Question 9

Using the Clinical and Laboratory Standards Institute (CLSI)protocol for a procedural format,insert the missing elements in the following written procedural protocol:
Procedure name
Name of test method

-Specimen collection and storage

Accepted Answer

A) Quality control 
B) Sources of error 
C) Principle and purpose of the test 
D) Procedural protocol 
A) Quality control 
B) Sources of error 
C) Principle and purpose of the test 
D) Procedural protocol

Question 10

MATCHING
Match the term with the definition.

-Accuracy

Accepted Answer

A) How close a test result is to the true value 
B) Highly purified substances of a known composition 
C) Specimen with a known value that is similar in composition to the test specimen 
D) How close the test results are to one another when repeated analyses of the same material are performed 
A) How close a test result is to the true value 
B) Highly purified substances of a known composition 
C) Specimen with a known value that is similar in composition to the test specimen 
D) How close the test results are to one another when repeated analyses of the same material are performed

Question 11

For testing of moderate complexity,quality control requires:

Accepted Answer

A)  using fresh reagent daily. 
B)  performing control procedures monthly. 
C)  performing control procedures using at least two levels of control material for each day of testing. 
D)  both a and c 
A)  using fresh reagent daily. 
B)  performing control procedures monthly. 
C)  performing control procedures using at least two levels of control material for each day of testing. 
D)  both a and c

Question 12

An example of a preanalytical error is:

Accepted Answer

A)  specimen obtained from the wrong patient. 
B)  lack of frequent preventive maintenance. 
C)  reporting of laboratory results by phone. 
D)  poorly trained phlebotomists. 
A)  specimen obtained from the wrong patient. 
B)  lack of frequent preventive maintenance. 
C)  reporting of laboratory results by phone. 
D)  poorly trained phlebotomists.

Question 13

Using the Clinical and Laboratory Standards Institute (CLSI)protocol for a procedural format,insert the missing elements in the following written procedural protocol:
Procedure name
Name of test method

-Reagents,supplies,and equipment

Accepted Answer

A) Quality control 
B) Sources of error 
C) Principle and purpose of the test 
D) Procedural protocol 
A) Quality control 
B) Sources of error 
C) Principle and purpose of the test 
D) Procedural protocol

Question 14

Quality assessment programs include:

Accepted Answer

A)  patient identification. 
B)  specimen procurement. 
C)  specimen transportation and processing procedures. 
D)  all of the above. 
A)  patient identification. 
B)  specimen procurement. 
C)  specimen transportation and processing procedures. 
D)  all of the above.

Question 15

If the control value in a determination is out of the acceptable range,faulty instrument or equipment may be the factor responsible.

Accepted Answer

A) True 
 B)False

Question 16

Match the term with the appropriate definition.
-Mean

Accepted Answer

A) Middle value in a body of data 
B) Value that occurs most frequently in a mass of data 
C) Mathematical average calculated by dividing the sum of all individual values by the number of values 
A) Middle value in a body of data 
B) Value that occurs most frequently in a mass of data 
C) Mathematical average calculated by dividing the sum of all individual values by the number of values

Question 17

MATCHING
Match the term with the definition.

-Standard

Accepted Answer

A) How close a test result is to the true value 
B) Highly purified substances of a known composition 
C) Specimen with a known value that is similar in composition to the test specimen 
D) How close the test results are to one another when repeated analyses of the same material are performed 
A) How close a test result is to the true value 
B) Highly purified substances of a known composition 
C) Specimen with a known value that is similar in composition to the test specimen 
D) How close the test results are to one another when repeated analyses of the same material are performed

Question 18

A control specimen should be:

Accepted Answer

A)  carried through the entire test procedure. 
B)  treated in exactly the same way as any patient specimen. 
C)  assayed at least once a week. 
D)  both a and b 
A)  carried through the entire test procedure. 
B)  treated in exactly the same way as any patient specimen. 
C)  assayed at least once a week. 
D)  both a and b

Question 19

Using the Clinical and Laboratory Standards Institute (CLSI)protocol for a procedural format,insert the missing elements in the following written procedural protocol:
Procedure name
Name of test method

-Expected or normal (reference)values

Accepted Answer

A) Quality control 
B) Sources of error 
C) Principle and purpose of the test 
D) Procedural protocol 
A) Quality control 
B) Sources of error 
C) Principle and purpose of the test 
D) Procedural protocol

Question 20

MATCHING
Match the term with the definition.

-Control

Accepted Answer

A) How close a test result is to the true value 
B) Highly purified substances of a known composition 
C) Specimen with a known value that is similar in composition to the test specimen 
D) How close the test results are to one another when repeated analyses of the same material are performed 
A) How close a test result is to the true value 
B) Highly purified substances of a known composition 
C) Specimen with a known value that is similar in composition to the test specimen 
D) How close the test results are to one another when repeated analyses of the same material are performed

Exam 7: Quality Assurance and Quality Control

MATCHING Match the term with the definition. -Precision

Specificity is defined as the:

Match the term with the appropriate definition. -Mode

If the control value in a determination is out of the acceptable range,lack of attention to timing or incubation temperature may be the factor responsible.

Sensitivity is defined as the:

Required regulation of clinical laboratories is achieved by (the):

If the control value in a determination is out of the acceptable range,the deterioration of reagents or standards may be the factor responsible.

If the control value in a determination is out of the acceptable range,use of poor technique by the technologist doing the test may be the factor responsible.

Using the Clinical and Laboratory Standards Institute (CLSI)protocol for a procedural format,insert the missing elements in the following written procedural protocol: Procedure name Name of test method -Specimen collection and storage

MATCHING Match the term with the definition. -Accuracy

For testing of moderate complexity,quality control requires:

An example of a preanalytical error is:

Using the Clinical and Laboratory Standards Institute (CLSI)protocol for a procedural format,insert the missing elements in the following written procedural protocol: Procedure name Name of test method -Reagents,supplies,and equipment

Quality assessment programs include:

If the control value in a determination is out of the acceptable range,faulty instrument or equipment may be the factor responsible.

Match the term with the appropriate definition. -Mean

MATCHING Match the term with the definition. -Standard

A control specimen should be:

Using the Clinical and Laboratory Standards Institute (CLSI)protocol for a procedural format,insert the missing elements in the following written procedural protocol: Procedure name Name of test method -Expected or normal (reference)values

MATCHING Match the term with the definition. -Control

An Overview of Immunology

Antigens and Antibodies

Cells and Cellular Activities of the Immune System: Granulocytes and Mononuclear Cells

Cells and Cellular Activities of the Immune System: Lymphocytes and Plasma Cells

Soluble Mediators of the Immune System

Safety in the Immunology-Serology Laboratory

Basic Serologic Laboratory Techniques

Point-Of-Care Testing

Agglutination Methods

Electrophoresis Techniques

Labeling Techniques in Immunoassay

Automated Procedures

Molecular Techniques

The Immune Response in Infectious Diseases

A Primer on Vaccines

Streptococcal Infections

Syphilis

Vector-Borne Diseases

Toxoplasmosis

Cytomegalovirus

Infectious Mononucleosis

Viral Hepatitis

Rubella and Rubeola Infections

Acquired Immunodeficiency Syndrome

Hypersensitivity Reactions

Immunoproliferative Disorders

Autoimmune Disorders

Systemic Lupus Erythematosus

Rheumatoid Arthritis

Solid Organ Transplantation

Bone Marrow Transplantation

Tumor Immunology

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