Question 1

The normal WBC values in an adult are ________.

Accepted Answer

A)  9-30 F1F1F1S1F1F1F10 109/L 
B)  5-21 F1F1F1S1F1F1F10 109/L 
C)  4.8-10.8 F1F1F1S1F1F1F10 109/L 
D)  6.2-17 F1F1F1S1F1F1F10 109/L 
E)  5-19.5 F1F1F1S1F1F1F10 109/L 
A)  9-30 F1F1F1S1F1F1F10 109/L 
B)  5-21 F1F1F1S1F1F1F10 109/L 
C)  4.8-10.8 F1F1F1S1F1F1F10 109/L 
D)  6.2-17 F1F1F1S1F1F1F10 109/L 
E)  5-19.5 F1F1F1S1F1F1F10 109/L

Question 2

The normal mean corpuscular hemoglobin (MCH) range in adults is _______.

Accepted Answer

A)  27-31 pg 
B)  32-36 pg 
C)  25-45 pg 
D)  20-30 pg 
E)  None of the above 
A)  27-31 pg 
B)  32-36 pg 
C)  25-45 pg 
D)  20-30 pg 
E)  None of the above

Question 3

Which type of microscope is preferred for the differentiation and enumeration of platelets?

Accepted Answer

A)  Light microscope 
B)  Phase-contrast 
C)  Electron 
D)  Polarized 
E)  None of the above 
A)  Light microscope 
B)  Phase-contrast 
C)  Electron 
D)  Polarized 
E)  None of the above

Question 4

The normal hematocrit range for a newborn is _______.

Accepted Answer

A)  37-42% 
B)  42-52% 
C)  53-65% 
D)  30-43% 
E)  None of the above 
A)  37-42% 
B)  42-52% 
C)  53-65% 
D)  30-43% 
E)  None of the above

Question 5

When using a hemocytometer to count cells, all 25 secondary squares of the center primary square are used to count _______.

Accepted Answer

A)  Erythrocytes 
B)  Leukocytes 
C)  Platelets 
D)  Basophils 
E)  None of the above 
A)  Erythrocytes 
B)  Leukocytes 
C)  Platelets 
D)  Basophils 
E)  None of the above

Question 6

The normal erythrocyte sedimentation rate (ESR) value for adult males is ______.

Accepted Answer

A)  0-9 mm/hr 
B)  0-15 mm/hr 
C)  0-20 mm/hr 
D)  0-30 mm/hr 
E)  None of the above 
A)  0-9 mm/hr 
B)  0-15 mm/hr 
C)  0-20 mm/hr 
D)  0-30 mm/hr 
E)  None of the above

Question 7

What is the percentage of hemoglobin F (HbF) at birth?

Accepted Answer

A)  <1% 
B)  3-5% 
C)  1-2% 
D)  60-90% 
E)  None of the above 
A)  <1% 
B)  3-5% 
C)  1-2% 
D)  60-90% 
E)  None of the above

Question 8

The normal WBC values for a 1-week-old baby are _______.

Accepted Answer

A)  9-30 F1F1F1S1F1F1F10 109/L 
B)  5-21 F1F1F1S1F1F1F10 109/L 
C)  6-17.5 F1F1F1S1F1F1F10 109/L 
D)  6.2-12 F1F1F1S1F1F1F10 109/L 
E)  4.8-10.8 F1F1F1S1F1F1F10 109/L 
A)  9-30 F1F1F1S1F1F1F10 109/L 
B)  5-21 F1F1F1S1F1F1F10 109/L 
C)  6-17.5 F1F1F1S1F1F1F10 109/L 
D)  6.2-12 F1F1F1S1F1F1F10 109/L 
E)  4.8-10.8 F1F1F1S1F1F1F10 109/L

Question 9

Normal values for the autohemolysis test at 48 hours without added dextrose are ________.

Accepted Answer

A)  0-0.9% 
B)  0.2-2.0% 
C)  0-0.8% 
D)  0-0.5% 
E)  None of the above 
A)  0-0.9% 
B)  0.2-2.0% 
C)  0-0.8% 
D)  0-0.5% 
E)  None of the above

Question 10

_______ reticulocytes result when the reticulocytes of the bone marrow pool are shifted to the circulating pool to compensate for anemia.

Accepted Answer

A)  Juvenile 
B)  Shift 
C)  Stress 
D)  A and B 
E)  B and C 
A)  Juvenile 
B)  Shift 
C)  Stress 
D)  A and B 
E)  B and C

Question 11

A patient's hematocrit was determined by the microcentrifuge method. In duplicate, the results were 33% and 45%. These results are deemed invalid for which reason(s)?

Accepted Answer

A)  Results cannot be cross-checked with hemoglobin value. 
B)  Results do not duplicate within 1%. 
C)  The buffy coat was not included in the reading. 
D)  All of the above 
E)  None of the above 
A)  Results cannot be cross-checked with hemoglobin value. 
B)  Results do not duplicate within 1%. 
C)  The buffy coat was not included in the reading. 
D)  All of the above 
E)  None of the above

Question 12

Blood containing a large number of ________ will yield false-positive results on the Ham's test.

Accepted Answer

A)  Target cells 
B)  Spherocytes 
C)  Sickle cells 
D)  Ovalocytes 
E)  None of the above 
A)  Target cells 
B)  Spherocytes 
C)  Sickle cells 
D)  Ovalocytes 
E)  None of the above

Question 13

Normal erythrocytes have a mean corpuscular volume (MCV) of _______.

Accepted Answer

A)  100-110 fL 
B)  80-100 fL 
C)  32-35 fL 
D)  60-80 fL 
E)  None of the above 
A)  100-110 fL 
B)  80-100 fL 
C)  32-35 fL 
D)  60-80 fL 
E)  None of the above

Question 14

By definition, the _______ is the distance in millimeters that RBCs fall per unit of time, usually in 1 hour.

Accepted Answer

A)  Sickle-dex 
B)  Autohemolysis test 
C)  Erythrocyte sedimentation rate 
D)  Donath-Landsteiner test 
E)  None of the above 
A)  Sickle-dex 
B)  Autohemolysis test 
C)  Erythrocyte sedimentation rate 
D)  Donath-Landsteiner test 
E)  None of the above

Exam 31: Hematology Methods

The normal WBC values in an adult are ________.

The normal mean corpuscular hemoglobin (MCH) range in adults is _______.

Which type of microscope is preferred for the differentiation and enumeration of platelets?

The normal hematocrit range for a newborn is _______.

When using a hemocytometer to count cells, all 25 secondary squares of the center primary square are used to count _______.

The normal erythrocyte sedimentation rate (ESR) value for adult males is ______.

What is the percentage of hemoglobin F (HbF) at birth?

The normal WBC values for a 1-week-old baby are _______.

Normal values for the autohemolysis test at 48 hours without added dextrose are ________.

_______ reticulocytes result when the reticulocytes of the bone marrow pool are shifted to the circulating pool to compensate for anemia.

A patient's hematocrit was determined by the microcentrifuge method. In duplicate, the results were 33% and 45%. These results are deemed invalid for which reason(s)?

Blood containing a large number of ________ will yield false-positive results on the Ham's test.

Normal erythrocytes have a mean corpuscular volume (MCV) of _______.

By definition, the _______ is the distance in millimeters that RBCs fall per unit of time, usually in 1 hour.

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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