Test Bank for
ST
Hematology in
U
Practice 3rd
VI
A
Edition by Betty
_A
Ciesla (All
PP
Chapters
RO
Covered)
VE
D?
© Medconnoisseur
, Hematology in Practice 3e Betty Ciesla (Teast Bank)
Chapter 1. Introduction to Hematology and Basic Laboratory Practice
Multiple Choice
1. Tube length when referring to the microscope is the:
A. Resolution power of the objective
B. Distance from the eyepiece to the objective
C. Numerical aperture
D. Magnitude of the image on the stage
ST
ANS: B
OBJ: 1.3
U
2. What is the most useful corrective action for the microscope when fine details cannot be
VI
visualized in immature cells?
A. Open up the diaphragm for maximum light.
B. Wipe off lenses with lens cleaner.
C. Get a new slide.
A_
D. Move to a lower power.
ANS: A
OBJ: 1.4
AP
3. Which of the following behaviors is a violation of standard precautions?
A. Hand washing after glove removal
B. Use of impermeable laboratory gowns
PR
C. Use of goggles and face shields
D. Placing laboratory notebooks on laboratory work area
ANS: D
OV
OBJ: 1.5
4. Standards and calibrators differ from control materials because:
A. An exact amount of analyte is present in a standard or calibrator
ED
B. A variable amount of analyte is present depending on patient samples
C. Standards only need to be within a target range
, D. Standards are run to the best estimate of the known value
ANS: A
OBJ: 1.7
5. Which of the following is involved in the study of hematology and used to determine sickness
and health?
A. Quantity of cells
B. Cellular structure
C. Cellular function
D. All of the above
ST
ANS: D
OBJ: 1.1
U
6. Proper mixing of samples and timely delivery of samples to the laboratory are both examples
VI
of:
A. Delta checks
B. Postanalytic variables
C. Preanalytic variables
A_
D. Reflex testing
ANS: C
OBJ: 1.8
AP
7. A delta check is a historical reference on samples run in the laboratories. Once a sample fails a
delta check, the most obvious corrective action is to:
A. Verify the identification of the patient sample
PR
B. Reestablish the parameters of the delta check
C. Perform reflex testing
D. Perform a manual method
OV
ANS: A
8. Which of the following is the definition of a reference interval?
A. A solution of a known amount of analyte
ED
B. Materials analyzed concurrently with unknown samples
C. Values established for a particular analyte, given a method, instrument, or patient population
, D. Validation techniques on flagged samples
ANS: C
OBJ: 1.8
9. Which of the following is not considered a postanalytic variable?
A. Delta checks
B. Proper anticoagulant used
C. Specimen checked for clots
D. Calling critical results
ST
ANS: B
OBJ: 1.8
U
10. Error analysis, standard protocols, and turnaround time are all part of the:
A. Quality assurance system
VI
B. Quality control program
C. Reference standards
D. Delta check protocol
A_
ANS: A
OBJ: 1.7
AP
11. The average of a group of data points is defined as the:
A. Mean
B. Mode
C. Median
D. Modicum
PR
ANS: A
OBJ: 1.7
OV
12. Safety training is part of new employee training in health care and includes:
A. Biological hazards
B. Chemical hazards
C. Environmental hazards
ED
D. All of the above
ST
Hematology in
U
Practice 3rd
VI
A
Edition by Betty
_A
Ciesla (All
PP
Chapters
RO
Covered)
VE
D?
© Medconnoisseur
, Hematology in Practice 3e Betty Ciesla (Teast Bank)
Chapter 1. Introduction to Hematology and Basic Laboratory Practice
Multiple Choice
1. Tube length when referring to the microscope is the:
A. Resolution power of the objective
B. Distance from the eyepiece to the objective
C. Numerical aperture
D. Magnitude of the image on the stage
ST
ANS: B
OBJ: 1.3
U
2. What is the most useful corrective action for the microscope when fine details cannot be
VI
visualized in immature cells?
A. Open up the diaphragm for maximum light.
B. Wipe off lenses with lens cleaner.
C. Get a new slide.
A_
D. Move to a lower power.
ANS: A
OBJ: 1.4
AP
3. Which of the following behaviors is a violation of standard precautions?
A. Hand washing after glove removal
B. Use of impermeable laboratory gowns
PR
C. Use of goggles and face shields
D. Placing laboratory notebooks on laboratory work area
ANS: D
OV
OBJ: 1.5
4. Standards and calibrators differ from control materials because:
A. An exact amount of analyte is present in a standard or calibrator
ED
B. A variable amount of analyte is present depending on patient samples
C. Standards only need to be within a target range
, D. Standards are run to the best estimate of the known value
ANS: A
OBJ: 1.7
5. Which of the following is involved in the study of hematology and used to determine sickness
and health?
A. Quantity of cells
B. Cellular structure
C. Cellular function
D. All of the above
ST
ANS: D
OBJ: 1.1
U
6. Proper mixing of samples and timely delivery of samples to the laboratory are both examples
VI
of:
A. Delta checks
B. Postanalytic variables
C. Preanalytic variables
A_
D. Reflex testing
ANS: C
OBJ: 1.8
AP
7. A delta check is a historical reference on samples run in the laboratories. Once a sample fails a
delta check, the most obvious corrective action is to:
A. Verify the identification of the patient sample
PR
B. Reestablish the parameters of the delta check
C. Perform reflex testing
D. Perform a manual method
OV
ANS: A
8. Which of the following is the definition of a reference interval?
A. A solution of a known amount of analyte
ED
B. Materials analyzed concurrently with unknown samples
C. Values established for a particular analyte, given a method, instrument, or patient population
, D. Validation techniques on flagged samples
ANS: C
OBJ: 1.8
9. Which of the following is not considered a postanalytic variable?
A. Delta checks
B. Proper anticoagulant used
C. Specimen checked for clots
D. Calling critical results
ST
ANS: B
OBJ: 1.8
U
10. Error analysis, standard protocols, and turnaround time are all part of the:
A. Quality assurance system
VI
B. Quality control program
C. Reference standards
D. Delta check protocol
A_
ANS: A
OBJ: 1.7
AP
11. The average of a group of data points is defined as the:
A. Mean
B. Mode
C. Median
D. Modicum
PR
ANS: A
OBJ: 1.7
OV
12. Safety training is part of new employee training in health care and includes:
A. Biological hazards
B. Chemical hazards
C. Environmental hazards
ED
D. All of the above
