, Hematology in Practice 3e Betty Ciesla (Teast Bank) b2 b2 b2 b2 b2 b2 b2
Chapter 1. Introduction to Hematology and Basic Laboratory Practice
b2 b2 b2 b2 b2 b2 b2 b2
Multiple Choice b2
1. Tube length when referring to the microscope is the:
b2 b2 b2 b2 b2 b2 b2 b2
A. Resolution power of the objective b2 b2 b2 b2
B. Distance from the eyepiece to the objective
b2 b2 b2 b2 b2 b2
C. Numerical aperture b2
D. Magnitude of the image on the stage b2 b2 b2 b2 b2 b2
ANS: Bb2
OBJ:
b2
1.3
b2
2. What is the most useful corrective action for the microscope when fine details
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2
cannot be visualized in immature cells?
b2 b2 b2 b2 b2 b2
A. Open up the diaphragm for maximum light.
b2 b2 b2 b2 b2 b2
B. Wipe off lenses with lens cleaner.
b2 b2 b2 b2 b2
C. Get a new slide.
b2 b2 b2
D. Move to a lower power.
b2 b2 b2 b2
ANS: Ab2
OBJ:
b2
1.4
b2
3. Which of the following behaviors is a violation of standard precautions?
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2
A. Hand washing after glove removal
b2 b2 b2 b2
B. Use of impermeable laboratory gowns
b2 b2 b2 b2
C. Use of goggles and face shields
b2 b2 b2 b2 b2
D. Placing laboratory notebooks on laboratory work area
b2 b2 b2 b2 b2 b2
ANS: Db2
OBJ:
b2
1.5
b2
4. Standards and calibrators differ from control materials because:
b2 b2 b2 b2 b2 b2 b2
,A. An exact amount of analyte is present in a standard or calibrator
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2
B. A variable amount of analyte is present depending on patient samples
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2
C. Standards only need to be within a target range
b2 b2 b2 b2 b2 b2 b2 b2
, D. Standards are run to the best estimate of the known value
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2
ANS: A b2
OBJ:
b2
1.7
b2
5. Which of the following is involved in the study of hematology and used to determine
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2
sickness and health?
b2 b2 b2
A. Quantity of cells b2 b2
B. Cellular structure b2
C. Cellular function b2
D. All of the above
b2 b2 b2
ANS: D b2
OBJ:
b2
1.1
b2
6. Proper mixing of samples and timely delivery of samples to the laboratory are both
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2
examples of:
b2 b2
A. Delta checks b2
B. Postanalytic variables b2
C. Preanalytic variables b2
D. Reflex testing b2
ANS: C b2
OBJ:
b2
1.8
b2
7. A delta check is a historical reference on samples run in the laboratories. Once a sample
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2
fails a delta check, the most obvious corrective action is to:
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2
A. Verify the identification of the patient sample
b2 b2 b2 b2 b2 b2
B. Reestablish the parameters of the delta check b2 b2 b2 b2 b2 b2
C. Perform reflex testing b2 b2
D. Perform a manual method b2 b2 b2
b2 ANS: A b2
8. Which of the following is the definition of a reference interval?
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2
Chapter 1. Introduction to Hematology and Basic Laboratory Practice
b2 b2 b2 b2 b2 b2 b2 b2
Multiple Choice b2
1. Tube length when referring to the microscope is the:
b2 b2 b2 b2 b2 b2 b2 b2
A. Resolution power of the objective b2 b2 b2 b2
B. Distance from the eyepiece to the objective
b2 b2 b2 b2 b2 b2
C. Numerical aperture b2
D. Magnitude of the image on the stage b2 b2 b2 b2 b2 b2
ANS: Bb2
OBJ:
b2
1.3
b2
2. What is the most useful corrective action for the microscope when fine details
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2
cannot be visualized in immature cells?
b2 b2 b2 b2 b2 b2
A. Open up the diaphragm for maximum light.
b2 b2 b2 b2 b2 b2
B. Wipe off lenses with lens cleaner.
b2 b2 b2 b2 b2
C. Get a new slide.
b2 b2 b2
D. Move to a lower power.
b2 b2 b2 b2
ANS: Ab2
OBJ:
b2
1.4
b2
3. Which of the following behaviors is a violation of standard precautions?
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2
A. Hand washing after glove removal
b2 b2 b2 b2
B. Use of impermeable laboratory gowns
b2 b2 b2 b2
C. Use of goggles and face shields
b2 b2 b2 b2 b2
D. Placing laboratory notebooks on laboratory work area
b2 b2 b2 b2 b2 b2
ANS: Db2
OBJ:
b2
1.5
b2
4. Standards and calibrators differ from control materials because:
b2 b2 b2 b2 b2 b2 b2
,A. An exact amount of analyte is present in a standard or calibrator
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2
B. A variable amount of analyte is present depending on patient samples
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2
C. Standards only need to be within a target range
b2 b2 b2 b2 b2 b2 b2 b2
, D. Standards are run to the best estimate of the known value
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2
ANS: A b2
OBJ:
b2
1.7
b2
5. Which of the following is involved in the study of hematology and used to determine
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2
sickness and health?
b2 b2 b2
A. Quantity of cells b2 b2
B. Cellular structure b2
C. Cellular function b2
D. All of the above
b2 b2 b2
ANS: D b2
OBJ:
b2
1.1
b2
6. Proper mixing of samples and timely delivery of samples to the laboratory are both
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2
examples of:
b2 b2
A. Delta checks b2
B. Postanalytic variables b2
C. Preanalytic variables b2
D. Reflex testing b2
ANS: C b2
OBJ:
b2
1.8
b2
7. A delta check is a historical reference on samples run in the laboratories. Once a sample
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2
fails a delta check, the most obvious corrective action is to:
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2
A. Verify the identification of the patient sample
b2 b2 b2 b2 b2 b2
B. Reestablish the parameters of the delta check b2 b2 b2 b2 b2 b2
C. Perform reflex testing b2 b2
D. Perform a manual method b2 b2 b2
b2 ANS: A b2
8. Which of the following is the definition of a reference interval?
b2 b2 b2 b2 b2 b2 b2 b2 b2 b2
