Question 1

The normal RBC range for a child is ________.

Accepted Answer

A)  4.2-5.4 F1F1F1S1F1F1F10 1012/L 
B)  4.7-6.1 F1F1F1S1F1F1F10 1012/L 
C)  4.4-5.8 F1F1F1S1F1F1F10 1012/L 
D)  3.8-5.5 F1F1F1S1F1F1F10 1012/L 
E)  None of the above 
A)  4.2-5.4 F1F1F1S1F1F1F10 1012/L 
B)  4.7-6.1 F1F1F1S1F1F1F10 1012/L 
C)  4.4-5.8 F1F1F1S1F1F1F10 1012/L 
D)  3.8-5.5 F1F1F1S1F1F1F10 1012/L 
E)  None of the above

Question 2

What cells are hemolyzed when ammonium oxalate is used for platelet counts?

Accepted Answer

A)  Leukocytes 
B)  Reticulocytes 
C)  Mature red cells 
D)  Macrophages 
E)  None of the above 
A)  Leukocytes 
B)  Reticulocytes 
C)  Mature red cells 
D)  Macrophages 
E)  None of the above

Question 3

Each large square is divided into nine smaller squares, each with an area of _____.

Accepted Answer

A)  4 mm2 
B)  1 mm2 
C)  10 mm2 
D)  9 mm2 
E)  None of the above 
A)  4 mm2 
B)  1 mm2 
C)  10 mm2 
D)  9 mm2 
E)  None of the above

Question 4

The RBC count when using the hemacytometer is the determination of the number of erythrocytes in ________ or microliters of whole blood.

Accepted Answer

A)  9 mm3 
B)  1 mm3 
C)  4 mm3 
D)  3 mm3 
E)  None of the above 
A)  9 mm3 
B)  1 mm3 
C)  4 mm3 
D)  3 mm3 
E)  None of the above

Question 5

Given the following, what is the corrected reticulocyte count: reticulocytes = 2%, patient hematocrit = 33%, normal hematocrit = 45%.

Accepted Answer

A)  2.5% 
B)  2.0% 
C)  1.5% 
D)  1.0% 
E)  0.5% 
A)  2.5% 
B)  2.0% 
C)  1.5% 
D)  1.0% 
E)  0.5%

Question 6

The RBCs of patients with paroxysmal nocturnal hemoglobinuria (PNH) are complement ________.

Accepted Answer

A)  Sensitive 
B)  Resistant 
C)  Variable 
D)  All of the above 
E)  None of the above 
A)  Sensitive 
B)  Resistant 
C)  Variable 
D)  All of the above 
E)  None of the above

Question 7

Which blood collection apparatus accommodates a multisample draw?

Accepted Answer

A)  Syringe 
B)  Butterfly 
C)  Evacuated tube system 
D)  All of the above 
E)  None of the above 
A)  Syringe 
B)  Butterfly 
C)  Evacuated tube system 
D)  All of the above 
E)  None of the above

Question 8

What is the anticoagulant of choice for manual cell counts?

Accepted Answer

A)  Ethylenediaminetetraacetic acid (EDT
A)  
B)  Sodium citrate 
C)  Sodium heparin 
D)  Sodium oxalate 
E)  None of the above 
A)  Ethylenediaminetetraacetic acid (EDT
A)  
B)  Sodium citrate 
C)  Sodium heparin 
D)  Sodium oxalate 
E)  None of the above

Question 9

Which hemolytic condition demonstrates complete hemolysis at 0.45% with the osmotic fragility test, and contains RBCs with a decreased surface-to-volume ratio?

Accepted Answer

A)  Acquired hemolytic anemia 
B)  Hemolytic disease of the newborn (HDN) 
C)  Sickle cell anemia 
D)  Hereditary spherocytosis 
E)  Thalassemia 
A)  Acquired hemolytic anemia 
B)  Hemolytic disease of the newborn (HDN) 
C)  Sickle cell anemia 
D)  Hereditary spherocytosis 
E)  Thalassemia

Question 10

The range of normal values for reticulocytes in an adult is:

Accepted Answer

A)  2.5-6.0% 
B)  1.0-3.0% 
C)  0.5-2.0% 
D)  3.0-5.0% 
E)  None of the above 
A)  2.5-6.0% 
B)  1.0-3.0% 
C)  0.5-2.0% 
D)  3.0-5.0% 
E)  None of the above

Question 11

Each side of the hemacytometer has a large square with a total area of _____.

Accepted Answer

A)  3 mm2 
B)  12 mm2 
C)  9 mm2 
D)  16 mm2 
E)  None of the above 
A)  3 mm2 
B)  12 mm2 
C)  9 mm2 
D)  16 mm2 
E)  None of the above

Question 12

The normal support medium for hemoglobin electrophoresis is _______ at a pH of 8.5.

Accepted Answer

A)  Eosin methyl blue 
B)  Citrate agar 
C)  Cellulose acetate 
D)  All of the above 
E)  None of the above 
A)  Eosin methyl blue 
B)  Citrate agar 
C)  Cellulose acetate 
D)  All of the above 
E)  None of the above

Question 13

Heinz bodies are visible via _______ stain.

Accepted Answer

A)  Wright's stain 
B)  Giemsa stain 
C)  Crystal violet 
D)  Eosin stain 
E)  None of the above 
A)  Wright's stain 
B)  Giemsa stain 
C)  Crystal violet 
D)  Eosin stain 
E)  None of the above

Question 14

The normal WBC values for a 2-year old are ________.

Accepted Answer

A)  4.8-10.8 F1F1F1S1F1F1F10 109/L 
B)  5-21 F1F1F1S1F1F1F10 109/L 
C)  6.2-17 F1F1F1S1F1F1F10 109/L 
D)  6-17.5 F1F1F1S1F1F1F10 109/L 
E)  5-19.5 F1F1F1S1F1F1F10 109/L 
A)  4.8-10.8 F1F1F1S1F1F1F10 109/L 
B)  5-21 F1F1F1S1F1F1F10 109/L 
C)  6.2-17 F1F1F1S1F1F1F10 109/L 
D)  6-17.5 F1F1F1S1F1F1F10 109/L 
E)  5-19.5 F1F1F1S1F1F1F10 109/L

Question 15

Fifty reticulocytes per 1000 red cells are counted under oil immersion. What is the reticulocyte count?

Accepted Answer

A)  3.0% 
B)  1.5% 
C)  5.0% 
D)  1.0% 
E)  None of the above 
A)  3.0% 
B)  1.5% 
C)  5.0% 
D)  1.0% 
E)  None of the above

Question 16

In the sugar water test, >5% hemolysis represents which hematologic disease?

Accepted Answer

A)  Megaloblastic anemia 
B)  HEMPAS 
C)  PNH 
D)  Autoimmune hemolytic anemia 
E)  None of the above 
A)  Megaloblastic anemia 
B)  HEMPAS 
C)  PNH 
D)  Autoimmune hemolytic anemia 
E)  None of the above

Question 17

The normal hemoglobin value for an adult male is ______.

Accepted Answer

A)  14-18 g/dL 
B)  12-16 g/dL 
C)  17-23 g/dL 
D)  10-12 g/dL 
E)  None of the above 
A)  14-18 g/dL 
B)  12-16 g/dL 
C)  17-23 g/dL 
D)  10-12 g/dL 
E)  None of the above

Question 18

Which stain is used to visualize reticulocytes?

Accepted Answer

A)  Prussian blue 
B)  New methylene blue 
C)  Wright's stain 
D)  Giemsa stain 
E)  None of the above 
A)  Prussian blue 
B)  New methylene blue 
C)  Wright's stain 
D)  Giemsa stain 
E)  None of the above

Question 19

The anticoagulant used for blood collection in performing the osmotic fragility test is _________.

Accepted Answer

A)  Oxalate 
B)  Heparin 
C)  EDTA 
D)  Citrate 
E)  None of the above 
A)  Oxalate 
B)  Heparin 
C)  EDTA 
D)  Citrate 
E)  None of the above

Question 20

Which disease can cause an increased ESR?

Accepted Answer

A)  Iron-deficiency anemia 
B)  Multiple myeloma 
C)  Sickle cell anemia 
D)  Hereditary spherocytosis 
E)  Thalassemia minor 
A)  Iron-deficiency anemia 
B)  Multiple myeloma 
C)  Sickle cell anemia 
D)  Hereditary spherocytosis 
E)  Thalassemia minor

Exam 31: Hematology Methods

The normal RBC range for a child is ________.

What cells are hemolyzed when ammonium oxalate is used for platelet counts?

Each large square is divided into nine smaller squares, each with an area of _____.

The RBC count when using the hemacytometer is the determination of the number of erythrocytes in ________ or microliters of whole blood.

Given the following, what is the corrected reticulocyte count: reticulocytes = 2%, patient hematocrit = 33%, normal hematocrit = 45%.

The RBCs of patients with paroxysmal nocturnal hemoglobinuria (PNH) are complement ________.

Which blood collection apparatus accommodates a multisample draw?

What is the anticoagulant of choice for manual cell counts?

Which hemolytic condition demonstrates complete hemolysis at 0.45% with the osmotic fragility test, and contains RBCs with a decreased surface-to-volume ratio?

The range of normal values for reticulocytes in an adult is:

Each side of the hemacytometer has a large square with a total area of _____.

The normal support medium for hemoglobin electrophoresis is _______ at a pH of 8.5.

Heinz bodies are visible via _______ stain.

The normal WBC values for a 2-year old are ________.

Fifty reticulocytes per 1000 red cells are counted under oil immersion. What is the reticulocyte count?

In the sugar water test, >5% hemolysis represents which hematologic disease?

The normal hemoglobin value for an adult male is ______.

Which stain is used to visualize reticulocytes?

The anticoagulant used for blood collection in performing the osmotic fragility test is _________.

Which disease can cause an increased ESR?

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

Quality Control in the Hematology Laboratory

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

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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