Question 1

The normal mean corpuscular hemoglobin concentration (MCHC) range for an adult is ______.

Accepted Answer

A)  35-40% 
B)  27-31% 
C)  32-36% 
D)  20-30% 
E)  None of the above 
A)  35-40% 
B)  27-31% 
C)  32-36% 
D)  20-30% 
E)  None of the above

Question 2

In states of ________, the reticulocyte percentage is not a true reflection of reticulocyte production.

Accepted Answer

A)  Anemia 
B)  Polycythemia 
C)  Infection 
D)  All of the above 
E)  None of the above 
A)  Anemia 
B)  Polycythemia 
C)  Infection 
D)  All of the above 
E)  None of the above

Question 3

The hematocrit is usually determined via the _________ method.

Accepted Answer

A)  Cytoprep 
B)  Cytospin 
C)  Microcentrifuge 
D)  Radioimmunoassay 
E)  None of the above 
A)  Cytoprep 
B)  Cytospin 
C)  Microcentrifuge 
D)  Radioimmunoassay 
E)  None of the above

Question 4

When performing a reticulocyte count, _________ total red cells are counted in consecutive oil-immersion fields.

Accepted Answer

A)  5000 
B)  500 
C)  1000 
D)  2000 
E)  None of the above 
A)  5000 
B)  500 
C)  1000 
D)  2000 
E)  None of the above

Question 5

What is the purpose of warming the area of capillary puncture before performing the lancet puncture?

Accepted Answer

A)  To comfort the patient 
B)  To enhance blood flow 
C)  To inhibit blood flow 
D)  To bypass tissue fluid 
E)  None of the above 
A)  To comfort the patient 
B)  To enhance blood flow 
C)  To inhibit blood flow 
D)  To bypass tissue fluid 
E)  None of the above

Question 6

Normal values for the autohemolysis test at 48 hours with the addition of ATP 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 7

What is the most common site for capillary blood collection in a newborn?

Accepted Answer

A)  Heel 
B)  Finger 
C)  Vein 
D)  Toe 
E)  None of the above 
A)  Heel 
B)  Finger 
C)  Vein 
D)  Toe 
E)  None of the above

Question 8

Reticulocytes are immature RBCs that contain remnant cytoplasmic ________.

Accepted Answer

A)  Denatured hemoglobin 
B)  DNA 
C)  RNA 
D)  All of the above 
E)  None of the above 
A)  Denatured hemoglobin 
B)  DNA 
C)  RNA 
D)  All of the above 
E)  None of the above

Question 9

Calculate the RPI based on the following: reticulocyte count = 3.5%, patient hematocrit = 28%, normal hematocrit = 45%.

Accepted Answer

A)  1.1 
B)  2.3 
C)  3.5 
D)  1.5 
E)  None of the above 
A)  1.1 
B)  2.3 
C)  3.5 
D)  1.5 
E)  None of the above

Question 10

The normal hemoglobin value for an adult female 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 11

The normal hemoglobin value for a newborn 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 12

Platelet satellitosis is a phenomenon that occurs when EDTA is used as the anticoagulant where ________ are ringed with adhering platelets.

Accepted Answer

A)  Erythrocytes 
B)  Neutrophils 
C)  Eosinophils 
D)  Basophils 
E)  None of the above 
A)  Erythrocytes 
B)  Neutrophils 
C)  Eosinophils 
D)  Basophils 
E)  None of the above

Question 13

The normal ESR range for adult females 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 14

Which type of red cells has a decreased surface-to-volume ratio and subsequent increased osmotic fragility?

Accepted Answer

A)  Sickle cells 
B)  Hypochromic cells 
C)  Teardrop cells 
D)  Spherocytes 
E)  None of the above 
A)  Sickle cells 
B)  Hypochromic cells 
C)  Teardrop cells 
D)  Spherocytes 
E)  None of the above

Question 15

An autohemolysis test is performed and demonstrates only slight autohemolysis, corrected by the addition of dextrose. This is consistent with type I autohemolysis and with __________.

Accepted Answer

A)  Hereditary spherocytosis 
B)  Pyruvate kinase deficiency 
C)  G6PD deficiency 
D)  Acquired spherocytic hemolytic anemia 
E)  None of the above 
A)  Hereditary spherocytosis 
B)  Pyruvate kinase deficiency 
C)  G6PD deficiency 
D)  Acquired spherocytic hemolytic anemia 
E)  None of the above

Question 16

Which disease can cause a decreased ESR?

Accepted Answer

A)  Multiple myeloma 
B)  Rheumatoid arthritis 
C)  Cryoglobulinemia 
D)  Hyperfibrinogenemia 
E)  Hereditary spherocytosis 
A)  Multiple myeloma 
B)  Rheumatoid arthritis 
C)  Cryoglobulinemia 
D)  Hyperfibrinogenemia 
E)  Hereditary spherocytosis

Question 17

The normal RBC range for an adult female is _______.

Accepted Answer

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

Question 18

A laboratory technician performs a spun microhematocrit. Anxious that the end of her shift is near, she stops the centrifuge herself instead of allowing it to stop on its own. She reads her tubes on three male adult patients and obtains values of 54%, 58%, and 59%. What should she do now?

Accepted Answer

A)  She can leave since she got all of her work done. 
B)  Set up new tubes on all three patients and repeat the procedure without stopping the centrifuge. 
C)  The values for the patients are within normal range so there's no need to repeat the procedure. 
D)  Call the physician and report the high values for all three patients. 
E)  Tell another technician to repeat the test for her since her shift is over. 
A)  She can leave since she got all of her work done. 
B)  Set up new tubes on all three patients and repeat the procedure without stopping the centrifuge. 
C)  The values for the patients are within normal range so there's no need to repeat the procedure. 
D)  Call the physician and report the high values for all three patients. 
E)  Tell another technician to repeat the test for her since her shift is over.

Question 19

The principle of the autohemolysis test is/are:

Accepted Answer

A)  Defibrinated blood is incubated at 37°C for 48 hours and hemolysis is measured. 
B)  Defibrinated blood is incubated at 22°C for 48 hours and hemolysis is measured. 
C)  Defibrinated blood is incubated at 37°C for 24 hours and hemolysis is measured. 
D)  All of the above 
E)  None of the above 
A)  Defibrinated blood is incubated at 37°C for 48 hours and hemolysis is measured. 
B)  Defibrinated blood is incubated at 22°C for 48 hours and hemolysis is measured. 
C)  Defibrinated blood is incubated at 37°C for 24 hours and hemolysis is measured. 
D)  All of the above 
E)  None of the above

Question 20

The normal hematocrit value for an adult male 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

Exam 31: Hematology Methods

The normal mean corpuscular hemoglobin concentration (MCHC) range for an adult is ______.

In states of ________, the reticulocyte percentage is not a true reflection of reticulocyte production.

The hematocrit is usually determined via the _________ method.

When performing a reticulocyte count, _________ total red cells are counted in consecutive oil-immersion fields.

What is the purpose of warming the area of capillary puncture before performing the lancet puncture?

Normal values for the autohemolysis test at 48 hours with the addition of ATP are __________.

What is the most common site for capillary blood collection in a newborn?

Reticulocytes are immature RBCs that contain remnant cytoplasmic ________.

Calculate the RPI based on the following: reticulocyte count = 3.5%, patient hematocrit = 28%, normal hematocrit = 45%.

The normal hemoglobin value for an adult female is _______.

The normal hemoglobin value for a newborn is _________ .

Platelet satellitosis is a phenomenon that occurs when EDTA is used as the anticoagulant where ________ are ringed with adhering platelets.

The normal ESR range for adult females is _________.

Which type of red cells has a decreased surface-to-volume ratio and subsequent increased osmotic fragility?

An autohemolysis test is performed and demonstrates only slight autohemolysis, corrected by the addition of dextrose. This is consistent with type I autohemolysis and with __________.

Which disease can cause a decreased ESR?

The normal RBC range for an adult female is _______.

A laboratory technician performs a spun microhematocrit. Anxious that the end of her shift is near, she stops the centrifuge herself instead of allowing it to stop on its own. She reads her tubes on three male adult patients and obtains values of 54%, 58%, and 59%. What should she do now?

The principle of the autohemolysis test is/are:

The normal hematocrit value for an adult male is _______.

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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