An instrument printout reports a WBC count of 18 × 109/L. The technologist notes 44 nucleated red blood cells. What is the corrected WBC count?

A) 18.4 × 109/L B) 15.8 × 109/L C) 8.3 × 109L D) 12.5 × 109/L A) 18.4 × 109/L B) 15.8 × 109/L C) 8.3 × 109L D) 12.5 × 109/L

Exam 37: Hematology Procedures

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A patient's osmotic fragility test results show beginning hemolysis at 0.40% NaCl and complete hemolysis at 0.20% NaCl. Increased numbers of which erythrocyte morphology are associated with these findings?

(Multiple Choice)

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Question 21

The resolution of a microscope is a function of:

(Multiple Choice)

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Question 22

A clinical laboratory professional observes numerous smudge cells on a Wright-stained blood smear and experiences difficulty performing the 100-cell differential. What should be done to obtain an accurate differential?

(Multiple Choice)

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Question 23

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

(Multiple Choice)

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Question 24

An instrument printout reports a platelet count of 85 10⁹/L. The technologist reviewing the peripheral blood smears notices aggregates of platelets around many of the neutrophils. What is the best way to correct this problem?

(Multiple Choice)

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Question 25

Name the cytochemical stains that are typically used in the workup of the following and how they are used to differentiate these conditions: a. AML-myelomonocytic b. APL c. ALL d. AML-Monoblastic e. AML-Erythroid

(Essay)

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Question 26

A patient had the following results: RBC 2.45 × 10¹²/L MCV 90 fL Hb 7.5 g/dL MCH 31 pg Hct 22.0% MCHC 34 g/dL DAT negative Haptoglobin 10 mg/dL (Reference range: 35-164 for males and 40-175 for females) Which is the most appropriate reflex test?

(Multiple Choice)

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Question 27

All of the following are needed on a phlebotomist's supply tray to perform a venipuncture except:

(Multiple Choice)

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Question 28

An instrument printout reports a WBC count of 18 × 10⁹/L. The technologist notes 44 nucleated red blood cells. What is the corrected WBC count?

(Multiple Choice)

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Question 29

Describe necessary steps for preventative maintenance of your microscope.

(Essay)

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Question 30

Brilliant green is used as the stain of choice for Heinz body preparation because of:

(Multiple Choice)

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Question 31

A CBC is performed on a polycythemic patient. What must the laboratician do to ensure that this specimen has an optimal blood smear?

(Multiple Choice)

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Question 32

Proper technique for the capillary puncture includes:

(Multiple Choice)

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Question 33

Acid is used in the quantification of hemoglobin F laboratory test because:

(Multiple Choice)

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Question 34

The acid elution test for hemoglobin F was performed on a patient sample, and examination of the slide revealed an uneven distribution of hemoglobin F within the erythrocytes. Control slides were acceptable. Which of the following is associated with this observation?

(Multiple Choice)

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Question 35

A laboratory professional is reviewing differentials and notices that the last few smears appear blue. What can be done to correct this?

(Multiple Choice)

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Question 36

An instrument printout reports a WBC count of 12 10⁹/L. The technologist reviews the peripheral blood smear and counts 45 nucleated RBCs. What is the best course of action regarding these findings?

(Multiple Choice)

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Question 37

Which laboratory test is useful in the differential diagnosis of polycythemia?

(Multiple Choice)

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Question 38

The function of a microscope's condenser is to:

(Multiple Choice)

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Question 39

Which of the following is not mandated by OSHA?

(Multiple Choice)

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Question 40

Showing 21 - 40 of 44

Exam 37: Hematology Procedures

A patient's osmotic fragility test results show beginning hemolysis at 0.40% NaCl and complete hemolysis at 0.20% NaCl. Increased numbers of which erythrocyte morphology are associated with these findings?

The resolution of a microscope is a function of:

A clinical laboratory professional observes numerous smudge cells on a Wright-stained blood smear and experiences difficulty performing the 100-cell differential. What should be done to obtain an accurate differential?

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

An instrument printout reports a platelet count of 85 109/L. The technologist reviewing the peripheral blood smears notices aggregates of platelets around many of the neutrophils. What is the best way to correct this problem?

Name the cytochemical stains that are typically used in the workup of the following and how they are used to differentiate these conditions: a. AML-myelomonocytic b. APL c. ALL d. AML-Monoblastic e. AML-Erythroid

A patient had the following results: RBC 2.45 × 1012/L MCV 90 fL Hb 7.5 g/dL MCH 31 pg Hct 22.0% MCHC 34 g/dL DAT negative Haptoglobin 10 mg/dL (Reference range: 35-164 for males and 40-175 for females) Which is the most appropriate reflex test?

All of the following are needed on a phlebotomist's supply tray to perform a venipuncture except:

An instrument printout reports a WBC count of 18 × 109/L. The technologist notes 44 nucleated red blood cells. What is the corrected WBC count?

Describe necessary steps for preventative maintenance of your microscope.

Brilliant green is used as the stain of choice for Heinz body preparation because of:

A CBC is performed on a polycythemic patient. What must the laboratician do to ensure that this specimen has an optimal blood smear?

Proper technique for the capillary puncture includes:

Acid is used in the quantification of hemoglobin F laboratory test because:

The acid elution test for hemoglobin F was performed on a patient sample, and examination of the slide revealed an uneven distribution of hemoglobin F within the erythrocytes. Control slides were acceptable. Which of the following is associated with this observation?

A laboratory professional is reviewing differentials and notices that the last few smears appear blue. What can be done to correct this?

An instrument printout reports a WBC count of 12 109/L. The technologist reviews the peripheral blood smear and counts 45 nucleated RBCs. What is the best course of action regarding these findings?

Which laboratory test is useful in the differential diagnosis of polycythemia?

The function of a microscope's condenser is to:

Which of the following is not mandated by OSHA?

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

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

Quality Assessment in the Hematology Laboratory

Filters

An instrument printout reports a platelet count of 85 10⁹/L. The technologist reviewing the peripheral blood smears notices aggregates of platelets around many of the neutrophils. What is the best way to correct this problem?

A patient had the following results: RBC 2.45 × 10¹²/L MCV 90 fL Hb 7.5 g/dL MCH 31 pg Hct 22.0% MCHC 34 g/dL DAT negative Haptoglobin 10 mg/dL (Reference range: 35-164 for males and 40-175 for females) Which is the most appropriate reflex test?

An instrument printout reports a WBC count of 18 × 10⁹/L. The technologist notes 44 nucleated red blood cells. What is the corrected WBC count?

An instrument printout reports a WBC count of 12 10⁹/L. The technologist reviews the peripheral blood smear and counts 45 nucleated RBCs. What is the best course of action regarding these findings?