Question 1

Which quality approach is used after a problem occurs to investigate the cause of the problem?

Accepted Answer

A)  Root cause analysis 
B)  FMEA 
C)  Benchmarking 
D)  Lean 
A)  Root cause analysis 
B)  FMEA 
C)  Benchmarking 
D)  Lean A

Question 2

Which quality approach requires performance to be measured against another world-class company?

Accepted Answer

A)  Root cause analysis 
B)  Failure Mode and Effects Analysis (FME
A)  
C)  Benchmarking 
D)  Lean 
A)  Root cause analysis 
B)  Failure Mode and Effects Analysis (FME
A)  
C)  Benchmarking 
D)  Lean C

Question 3

Which of the following is a cause of a trend?

Accepted Answer

A)  Improperly prepared reagents 
B)  Improperly stored reagents 
C)  Change in lot numbers 
D)  Bacterial contamination of diluent/H2O 
A)  Improperly prepared reagents 
B)  Improperly stored reagents 
C)  Change in lot numbers 
D)  Bacterial contamination of diluent/H2O D

Question 4

A sudden and consistent movement from the mean is a ______________.

Accepted Answer

A)  Shift 
B)  Trend 
C)  Titration 
D)  Dilution 
A)  Shift 
B)  Trend 
C)  Titration 
D)  Dilution

Question 5

Which of the following is not considered a preanalytical factor?

Accepted Answer

A)  Proper identification of the patient 
B)  Labeling the specimen at the bedside 
C)  Transporting the specimen to the laboratory 
D)  Entering patient's results into the computer 
A)  Proper identification of the patient 
B)  Labeling the specimen at the bedside 
C)  Transporting the specimen to the laboratory 
D)  Entering patient's results into the computer

Question 6

Which Westgard rule refers to four consecutive control measurements exceeding the +1 SD or -1 SD limit on the same side of the graph?

Accepted Answer

A)  12s 
B)  13s 
C)  22s 
D)  41s 
A)  12s 
B)  13s 
C)  22s 
D)  41s

Question 7

Which quality approach maximizes customer value?

Accepted Answer

A)  Root cause analysis 
B)  FMEA 
C)  Benchmarking 
D)  Lean 
A)  Root cause analysis 
B)  FMEA 
C)  Benchmarking 
D)  Lean

Question 8

Which of the following is not considered part of a quality test?

Accepted Answer

A)  Accurate and precise 
B)  Unreasonable cost 
C)  Free of defects 
D)  Good customer service 
A)  Accurate and precise 
B)  Unreasonable cost 
C)  Free of defects 
D)  Good customer service

Question 9

Calculate the coefficient of variation with the following data: mean = 7.2; SD = 0.42; median = 7.6; mode = 7.5.

Accepted Answer

A)  5.5% 
B)  5.6% 
C)  5.8% 
D)  5.2% 
A)  5.5% 
B)  5.6% 
C)  5.8% 
D)  5.2%

Question 10

Which quality approach tries to identify the cause and impact of a failure before it happens?

Accepted Answer

A)  Root cause analysis 
B)  FMEA 
C)  Benchmarking 
D)  Lean 
A)  Root cause analysis 
B)  FMEA 
C)  Benchmarking 
D)  Lean

Question 11

Which Westgard rule refers to two consecutive data points exceeding the ±2 SD limit?

Accepted Answer

A)  12s 
B)  13s 
C)  22s 
D)  41s 
A)  12s 
B)  13s 
C)  22s 
D)  41s

Question 12

Which Westgard rule refers to one data point exceeding the ±2 SD limit?

Accepted Answer

A)  12s 
B)  13s 
C)  22s 
D)  41s 
A)  12s 
B)  13s 
C)  22s 
D)  41s

Question 13

A gradual change in the same direction is a ___________.

Accepted Answer

A)  Shift 
B)  Trend 
C)  Titration 
D)  Dilution 
A)  Shift 
B)  Trend 
C)  Titration 
D)  Dilution

Question 14

Which of the following is an example of a random error?

Accepted Answer

A)  Bubbles in syringes 
B)  Leaky tubing 
C)  Clogs in tubing 
D)  All of the above 
A)  Bubbles in syringes 
B)  Leaky tubing 
C)  Clogs in tubing 
D)  All of the above

Question 15

Calculate the mean of the following hemoglobin values: 6.2, 8.1, 7.9, 9.0, 5.8, 6.6, 7.3, 8.4, 10.2, 11.6

Accepted Answer

A)  7.3 
B)  8.1 
C)  8.6 
D)  7.8 
A)  7.3 
B)  8.1 
C)  8.6 
D)  7.8

Question 16

Which of the following is a part of quality assurance?

Accepted Answer

A)  Procedure manual 
B)  Equipment function checks 
C)  Calibration verification procedures 
D)  All of the above 
A)  Procedure manual 
B)  Equipment function checks 
C)  Calibration verification procedures 
D)  All of the above

Question 17

Which of the following regulates all clinical laboratory testing?

Accepted Answer

A)  Centers for Medicare & Medicaid Services (CMS) 
B)  Clinical Laboratory Improvement Amendments (CLI
A)  
C)  Food and Drug Administration (FD
A)  
D)  College of American Pathologists (CAP) 
A)  Centers for Medicare & Medicaid Services (CMS) 
B)  Clinical Laboratory Improvement Amendments (CLI
A)  
C)  Food and Drug Administration (FD
A)  
D)  College of American Pathologists (CAP)

Question 18

Which of the following can be considered a matrix?

Accepted Answer

A)  Urine 
B)  Whole blood 
C)  Synovial fluid 
D)  All of the above 
A)  Urine 
B)  Whole blood 
C)  Synovial fluid 
D)  All of the above

Question 19

Which of the following is a cause of a shift?

Accepted Answer

A)  Rerunning a control material 
B)  Not performing maintenance when due 
C)  Improperly prepared reagent 
D)  Analyzing a patient sample without a barcode 
A)  Rerunning a control material 
B)  Not performing maintenance when due 
C)  Improperly prepared reagent 
D)  Analyzing a patient sample without a barcode

Question 20

Which of the following is not considered a postanalytical factor?

Accepted Answer

A)  Entering patient's results into the computer 
B)  Calculating patient's results 
C)  Transporting the specimen to the laboratory 
D)  Notifying physician of patient's results 
A)  Entering patient's results into the computer 
B)  Calculating patient's results 
C)  Transporting the specimen to the laboratory 
D)  Notifying physician of patient's results

Exam 29: Quality Control in the Hematology Laboratory

Which quality approach is used after a problem occurs to investigate the cause of the problem?

Which quality approach requires performance to be measured against another world-class company?

Which of the following is a cause of a trend?

A sudden and consistent movement from the mean is a ______________.

Which of the following is not considered a preanalytical factor?

Which Westgard rule refers to four consecutive control measurements exceeding the +1 SD or -1 SD limit on the same side of the graph?

Which quality approach maximizes customer value?

Which of the following is not considered part of a quality test?

Calculate the coefficient of variation with the following data: mean = 7.2; SD = 0.42; median = 7.6; mode = 7.5.

Which quality approach tries to identify the cause and impact of a failure before it happens?

Which Westgard rule refers to two consecutive data points exceeding the ±2 SD limit?

Which Westgard rule refers to one data point exceeding the ±2 SD limit?

A gradual change in the same direction is a ___________.

Which of the following is an example of a random error?

Calculate the mean of the following hemoglobin values: 6.2, 8.1, 7.9, 9.0, 5.8, 6.6, 7.3, 8.4, 10.2, 11.6

Which of the following is a part of quality assurance?

Which of the following regulates all clinical laboratory testing?

Which of the following can be considered a matrix?

Which of the following is a cause of a shift?

Which of the following is not considered a postanalytical factor?

Morphology of Human Blood and Marrow Cells: Hematopoiesis

Bone Marrow

The Red Blood Cell: Structure and Function

Anemia: Diagnosis and Clinical Considerations

Evaluation of Red Blood Cell Morphology and Introduction to Platelet and White Blood Cell Morphology

Iron Metabolism and Hypochromic Anemias

Megaloblastic Anemias

Aplastic Anemia Including Pure Red Cell Aplasia and Congenital Dyserythropoietic Anemia and Paroxysmal Nocturnal Hemoglobinuria

Introduction to Hemolytic Anemias: Intracorpuscular Defects: I Hereditary Defects of the Red Cell Membrane

Hemolytic Anemias: Intracorpuscular Defects: II Hereditary Enzyme Deficiencies

Hemolytic Anemias: Intracorpuscular Defects: III the Hemoglobinopathies

Hemolytic Anemias: Intracorpuscular Defects: Iv Thalassemia

Hemolytic Anemias: Extracorpuscular Defects

Hypoproliferative Anemia: Anemia Associated With Systemic Diseases

Cell Biology, Disorders of Neutrophils, Infectious Mononucleosis, and Reactive Lymphocytosis

Introduction to Leukemia and the Acute Leukemias

Chronic Myeloproliferative Disorders I: Chronic Myelogenous Leukemia

Chronic Myeloproliferative Disorders Ii: Polycythemia Vera, Essential Thrombocythemia, and Idiopathic Myelofibrosis

Myelodysplastic Syndromes

Chronic Lymphocytic Leukemia and Related Lymphoproliferative Disorders

The Lymphomas

Multiple Myeloma and Related Plasma Cell Disorders

Lipid Lysosomal Storage Diseases and Histiocytosis

Introduction to Hemostasis

Disorders of Primary Hemostasis: Quantitative and Qualitative Platelet Disorders and Vascular Disorders

Disorders of Plasma Clotting Factors

Interaction of the Fibrinolytic, Coagulation, and Kinin Systems; Disseminated Intravascular Coagulation; and Related Pathology

Introduction to Thrombosis and Anticoagulant Therapy

Body Fluid Examination: the Qualitative, Quantitative, and Morphologic Analysis of Serous, Cerebrospinal, and Synovial Fluids

Hematology Methods

Principles of Automated Differential Analysis

Coagulation Procedures

Applications of Flow Cytometry to Hematology and Hemostasis

Molecular Diagnostic Techniques in Hematopathology

Special Stainscytochemistry

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