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Exam (elaborations)

Test Bank – Hematology in Practice 3rd Edition | Betty Ciesla | ISBN:9780803668249 | All Chapters 1–21 | Latest Edition

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Test Bank – Hematology in Practice 3rd Edition | Betty Ciesla | ISBN:9780803668249 | All Chapters 1–21 | Latest Edition

Institution
Hematology
Course
Hematology











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Written for

Institution
Hematology
Course
Hematology

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Uploaded on
January 25, 2026
Number of pages
152
Written in
2025/2026
Type
Exam (elaborations)
Contains
Questions & answers

Subjects

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, Hematology in Practice 3e Betty Ciesla (Test Bank) de de de de de de de




Chapter 1. Introduction to Hematology and Basic Laboratory Practice
de de de de de de de de




Multiple Choice de




1. Tube length when referring to the microscope is the:
de de de de de de de de


A. Resolution power of the objective de de de de


B. Distance from the eyepiece to the objective
de de de de de de


C. Numerical aperture de


D. Magnitude of the image on the stage de de de de de de




ANS: Bde


OBJ:
de


1.3
de




2. What is the most useful corrective action for the microscope when fine details
de de de de de de de de de de de de


cannot be visualized in immature cells?
de de de de de de


A. Open up the diaphragm for maximum light.
de de de de de de


B. Wipe off lenses with lens cleaner.
de de de de de


C. Get a new slide.
de de de


D. Move to a lower power.
de de de de




ANS: Ade


OBJ:
de


1.4
de




3. Which of the following behaviors is a violation of standard precautions?
de de de de de de de de de de


A. Hand washing after glove removal
de de de de


B. Use of impermeable laboratory gowns
de de de de


C. Use of goggles and face shields
de de de de de


D. Placing laboratory notebooks on laboratory work area
de de de de de de




ANS: Dde


OBJ:
de


1.5
de




4. Standards and calibrators differ from control materials because:
de de de de de de de

,A. An exact amount of analyte is present in a standard or calibrator
de de de de de de de de de de de


B. A variable amount of analyte is present depending on patient samples
de de de de de de de de de de


C. Standards only need to be within a target range
de de de de de de de de

, D. Standards are run to the best estimate of the known value
de de de de de de de de de de




ANS: A de


OBJ:
de


1.7
de




5. Which of the following is involved in the study of hematology and used to determine
de de de de de de de de de de de de de de


sickness and health?
de de de


A. Quantity of cells de de


B. Cellular structure de


C. Cellular function de


D. All of the above
de de de




ANS: D de


OBJ:
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1.1
de




6. Proper mixing of samples and timely delivery of samples to the laboratory are both
de de de de de de de de de de de de de


examples of:
de de


A. Delta checks de


B. Postanalytic variables de


C. Preanalytic variables de


D. Reflex testing de




ANS: C de


OBJ:
de


1.8
de




7. A delta check is a historical reference on samples run in the laboratories. Once a sample
de de de de de de de de de de de de de de de


fails a delta check, the most obvious corrective action is to:
de de de de de de de de de de de


A. Verify the identification of the patient sample
de de de de de de


B. Reestablish the parameters of the delta check de de de de de de


C. Perform reflex testing de de


D. Perform a manual method de de de




de ANS: A de




8. Which of the following is the definition of a reference interval?
de de de de de de de de de de

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