Question 1

What should be reported about the RBCs in the following image and what affect would this have on the CBC results?

Accepted Answer

A) agglutination;increased MCV and decreased RBC count 
B) rouleaux;no affect on the CBC results 
C) codocytes;increased RBC count 
D) spherocytes;increased MCV 
A) agglutination;increased MCV and decreased RBC count 
B) rouleaux;no affect on the CBC results 
C) codocytes;increased RBC count 
D) spherocytes;increased MCV

Question 2

Which of the following laboratory values would best correlate with moderate polychromasia on a peripheral blood smear?

Accepted Answer

A) A low RBC count 
B) A retic count of 8% 
C) Schistocytes on the PB smear 
D) A low PLT count 
A) A low RBC count 
B) A retic count of 8% 
C) Schistocytes on the PB smear 
D) A low PLT count

Question 3

A patient sample has an RBC count of 4.30 × 10₁₂ /L and a reticulocyte count of 4%.What is the absolute retic count?

Accepted Answer

A)   
B)   
C)   
D)   
A)   
B)   
C)   
D)

Question 4

Howell-Jolly bodies are red cell inclusions associated with what disease state?

Accepted Answer

A) Lead poisoning 
B) G6PD deficiency 
C) Megaloblastic anemia 
D) Normal reticulocytes 
A) Lead poisoning 
B) G6PD deficiency 
C) Megaloblastic anemia 
D) Normal reticulocytes

Question 5

An instrument printout indicates an MCV of 63 fl and an MCHC of 26 g/dl.How will the red cells appear under the microscope?

Accepted Answer

A) Normocytic,normochromic 
B) Macrocytic,normochromic 
C) Microcytic,hypochromic 
D) Normocytic,hypochromic 
A) Normocytic,normochromic 
B) Macrocytic,normochromic 
C) Microcytic,hypochromic 
D) Normocytic,hypochromic

Question 6

What RBC inclusions cannot be seen with Romanowsky stain but can be visualized with supravital stain?

Accepted Answer

A) Howell-Jolly bodies 
B) Pappenheimer bodies 
C) Cabot rings 
D) Heinz bodies 
A) Howell-Jolly bodies 
B) Pappenheimer bodies 
C) Cabot rings 
D) Heinz bodies

Question 7

12.Calculate the MCV from the results of a patient's CBC: RBC = 3.50 × 10¹²/L
Hemoglobin = 12.0 g/dL
Hematocrit = 40%

Accepted Answer

A) 30 
B) 31 
C) 100 
D) 114 
A) 30 
B) 31 
C) 100 
D) 114

Question 8

Which of the following assays is not part of a typical complete blood count?

Accepted Answer

A) RBC count 
B) Mean cell hemoglobin concentration 
C) Plasma ferritin 
D) Platelet count 
A) RBC count 
B) Mean cell hemoglobin concentration 
C) Plasma ferritin 
D) Platelet count

Question 9

A patient sample arrives in the laboratory with the name on the tube and no other information.What is missing?

Accepted Answer

A second identifier,

Question 10

List four pre-examination precautions that must be observed to produce quality results when performing a CBC.

Accepted Answer

Proper identification of the p

Question 11

An instrument printout reveals an RDW of 33.Which of the following would best correlate with those results?

Accepted Answer

A) The presence of a dimorphic cell population on the PB smear 
B) The presence of marked polychromasia on the PB smear 
C) The presence of spherocytes on the PB smear 
D) The presence of macro-ovalocytes on the PB smear 
A) The presence of a dimorphic cell population on the PB smear 
B) The presence of marked polychromasia on the PB smear 
C) The presence of spherocytes on the PB smear 
D) The presence of macro-ovalocytes on the PB smear

Question 12

Which of the following represents the correct units for reporting an absolute reticulocyte count?

Accepted Answer

A)   
B)   
C)   
D)   
A)   
B)   
C)   
D)

Question 13

An increased red cell distribution width (RDW)usually indicates what abnormality?

Accepted Answer

A) Increase of average erythrocyte volume 
B) Increase of average weight of hemoglobin 
C) Decrease in ratio of hemoglobin mass to volume 
D) Variation in erythrocyte size 
A) Increase of average erythrocyte volume 
B) Increase of average weight of hemoglobin 
C) Decrease in ratio of hemoglobin mass to volume 
D) Variation in erythrocyte size

Question 14

Which poikilocyte is indicated by the arrows in the following image?

Accepted Answer

A) Spherocytes 
B) Macrocytes 
C) Schistocytes 
D) Elliptocytes 
A) Spherocytes 
B) Macrocytes 
C) Schistocytes 
D) Elliptocytes

Question 15

Identify the poikilocytes indicated by the arrows in the following image.

Accepted Answer

A) Acanthocytes 
B) Drepanocytes 
C) Schizocytes 
D) Spherocytes 
A) Acanthocytes 
B) Drepanocytes 
C) Schizocytes 
D) Spherocytes

Exam 10: The Complete Blood Count and Peripheral Blood Smear Evaluation

What should be reported about the RBCs in the following image and what affect would this have on the CBC results?

Which of the following laboratory values would best correlate with moderate polychromasia on a peripheral blood smear?

A patient sample has an RBC count of 4.30 × 10₁₂ /L and a reticulocyte count of 4%.What is the absolute retic count?

Howell-Jolly bodies are red cell inclusions associated with what disease state?

An instrument printout indicates an MCV of 63 fl and an MCHC of 26 g/dl.How will the red cells appear under the microscope?

What RBC inclusions cannot be seen with Romanowsky stain but can be visualized with supravital stain?

12.Calculate the MCV from the results of a patient's CBC: RBC = 3.50 × 10¹²/L Hemoglobin = 12.0 g/dL Hematocrit = 40%

Which of the following assays is not part of a typical complete blood count?

A patient sample arrives in the laboratory with the name on the tube and no other information.What is missing?

List four pre-examination precautions that must be observed to produce quality results when performing a CBC.

An instrument printout reveals an RDW of 33.Which of the following would best correlate with those results?

Which of the following represents the correct units for reporting an absolute reticulocyte count?

An increased red cell distribution width (RDW)usually indicates what abnormality?

Which poikilocyte is indicated by the arrows in the following image?

Identify the poikilocytes indicated by the arrows in the following image.

Introduction

Cellular Homeostasis

Structure and Function of Hematopoietic Organs

Hematopoiesis

The Erythrocyte

Hemoglobin

Granulocytes and Monocytes

Lymphocytes

The Platelet

Introduction to Anemia

Anemias of Disordered Iron Metabolism and Heme Synthesis

Hemoglobinopathies: Qualitative Defects

Thalassemia

Megaloblastic and Nonmegaloblastic Macrocytic Anemias

Hypoproliferative Anemias

Hemolytic Anemia: Membrane Defects

Hemolytic Anemia: Enzyme Deficiencies

Hemolytic Anemia: Immune Anemias

Hemolytic Anemia: Nonimmune Defects

Nonmalignant Disorders of Leukocytes: Granulocytes and Monocytes

Nonmalignant Lymphocyte Disorders

Introduction to Hematopoietic Neoplasms

Myeloproliferative Neoplasms

Myelodysplastic Syndromes

Acute Myeloid Leukemias

Precursor Lymphoid Neoplasms

Mature Lymphoid Neoplasms

Hematopoietic Stem Cell Transplantation

Morphologic Analysis of Body Fluids in the Hematology Laboratory

Primary Hemostasis

Secondary Hemostasis and Fibrinolysis

Disorders of Primary Hemostasis

Disorders of Secondary Hemostasis

Thrombophilia

Hemostasis: Laboratory Testing and Instrumentation

Hematology Procedures

Bone Marrow Examination

Automation in Hematology

Flow Cytometry

Chromosome Analysis of Hematopoietic and Lymphoid Disorders

Molecular Analysis of Hematologic Diseases

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