Question 1

A technologist is performing differentials and notices that all the slides he has reviewed appear pink.What is the best way to correct this problem?

Accepted Answer

A) Change the buffer so that it is more acidic 
B) Change the buffer so that it is more alkaline 
C) Clean the slides and make a new smear 
D) Filter the stain used 
A) Change the buffer so that it is more acidic 
B) Change the buffer so that it is more alkaline 
C) Clean the slides and make a new smear 
D) Filter the stain used

Question 2

The ESR determination on the MINI-VES instrument is based on:

Accepted Answer

A) Decrease in height of the erythrocyte column at a given time 
B) Decrease in absorbance as erythrocytes aggregate in column at a given time 
C) Distance that the erythrocytes settle within a column in 1 hour 
D) Deflection of light by the erythrocyte aggregates in the column at 1 
A) Decrease in height of the erythrocyte column at a given time 
B) Decrease in absorbance as erythrocytes aggregate in column at a given time 
C) Distance that the erythrocytes settle within a column in 1 hour 
D) Deflection of light by the erythrocyte aggregates in the column at 1

Question 3

Which substance when added to the acid phosphatase stain is useful in the identification of hairy cells?

Accepted Answer

A) Sodium fluoride 
B) Sodium tartrate 
C) Potassium chloride 
D) Disodium phosphate 
A) Sodium fluoride 
B) Sodium tartrate 
C) Potassium chloride 
D) Disodium phosphate

Question 4

Two incubation sessions are needed in the Donath-Landsteiner test to detect:

Accepted Answer

A) The biphasic thermal reactivity of the offensive antibody 
B) Complement binding in vivo 
C) The antibody's specificity to the P antigen in vitro 
D) The antibody's specificity to group O cells 
A) The biphasic thermal reactivity of the offensive antibody 
B) Complement binding in vivo 
C) The antibody's specificity to the P antigen in vitro 
D) The antibody's specificity to group O cells

Question 5

Which of the following represents a potential pre-examination error?

Accepted Answer

A) Reading the test result before the timer expires 
B) Observing a turbid solution and reporting the result as negative 
C) Performing the test on a sample from a recently transfused patient 
D) Using the reagent solution immediately after it is removed from the refrigerator 
A) Reading the test result before the timer expires 
B) Observing a turbid solution and reporting the result as negative 
C) Performing the test on a sample from a recently transfused patient 
D) Using the reagent solution immediately after it is removed from the refrigerator

Question 6

The 18-gauge needles used to collect donor blood for transfusion have a larger bore than do standard blood collection needles.What is the advantage of this needle?

Accepted Answer

A) The needle minimizes discomfort to the donor. 
B) The needle allows for tube holder and vacutainer use. 
C) The phlebotomist has better technique with a larger needle. 
D) The collection process is faster,and less hemolysis occurs. 
A) The needle minimizes discomfort to the donor. 
B) The needle allows for tube holder and vacutainer use. 
C) The phlebotomist has better technique with a larger needle. 
D) The collection process is faster,and less hemolysis occurs.

Exam 37: Hematology Procedures

A technologist is performing differentials and notices that all the slides he has reviewed appear pink.What is the best way to correct this problem?

The ESR determination on the MINI-VES instrument is based on:

Which substance when added to the acid phosphatase stain is useful in the identification of hairy cells?

Two incubation sessions are needed in the Donath-Landsteiner test to detect:

Which of the following represents a potential pre-examination error?

The 18-gauge needles used to collect donor blood for transfusion have a larger bore than do standard blood collection needles.What is the advantage of this needle?

Introduction

Cellular Homeostasis

Structure and Function of Hematopoietic Organs

Hematopoiesis

The Erythrocyte

Hemoglobin

Granulocytes and Monocytes

Lymphocytes

The Platelet

The Complete Blood Count and Peripheral Blood Smear Evaluation

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

Bone Marrow Examination

Automation in Hematology

Flow Cytometry

Chromosome Analysis of Hematopoietic and Lymphoid Disorders

Molecular Analysis of Hematologic Diseases

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