Test Bank For Hematology in Practice 3rd Edition By Betty Ciesla 9780803668249 Chapter 1-21 Complete Guide .

Hematology in Practice

Test Bank For Hematology in Practice 3rd Edition By Betty Ciesla

9780803668249 Chapter 1-21 Complete Guide .


Testbankscove

, Hematology in Practice 3e Betty Ciesla (Teast Bank) i i i i i i i




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




Multiple Choice i




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


A. Resolution power of the objective i i i i


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


C. Numerical aperture i


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




ANS: B i


OBJ: 1.3
i i




2. What is the most useful corrective action for the microscope when fine details cannot be
i i i i i i i i i i i i i i


visualized in immature cells?
i i i i


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


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


C. Get a new slide. i i i


D. Move to a lower power. i i i i




ANS: A i


OBJ: 1.4
i i




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


A. Hand washing after glove removal i i i i


B. Use of impermeable laboratory gowns
i i i i


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


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




ANS: D i


OBJ: 1.5
i i




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


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


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


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

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




ANS: A i


OBJ: 1.7
i i




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


and health?
i i


A. Quantity of cells i i


B. Cellular structure i


C. Cellular function i


D. All of the above i i i




ANS: D i


OBJ: 1.1
i i




6. Proper mixing of samples and timely delivery of samples to the laboratory are both examples of:
i i i i i i i i i i i i i i i


A. Delta checks i


B. Postanalytic variables i


C. Preanalytic variables i


D. Reflex testing i




ANS: C i


OBJ: 1.8
i i




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 A delta check is a historical reference on samples run in the laboratories.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


delta check, the most obvious corrective action is to:
i i i i i i i i i


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


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


C. Perform reflex testing i i


D. Perform a manual method i i i




ANS: A
i i




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


A. A solution of a known amount of analyte
i i i i i i i


B. Materials analyzed concurrently with unknown samples i i i i i


C. Values established for a particular analyte, given a method, instrument, or patient population
i i i i i i i i i i i i

, D. Validation techniques on flagged samples i i i i




ANS: C i


OBJ: 1.8
i i




9. Which of the following is not considered a postanalytic variable?
i i i i i i i i i


A. Delta checks i


B. Proper anticoagulant used i i


C. Specimen checked for clots i i i


D. Calling critical results i i




ANS: B i


OBJ: 1.8
i i




10. Error analysis, standard protocols, and turnaround time are all part of the:
i i i i i i i i i i i


A. Quality assurance system i i


B. Quality control program i i


C. Reference standards i


D. Delta check protocol
i i




ANS: A i


OBJ: 1.7
i i




11. The average of a group of data points is defined as the:
i i i i i i i i i i i


A. Mean
B. Mode
C. Median
D. Modicum

ANS: A i


OBJ: 1.7
i i




12. Safety training is part of new employee training in health care and includes:
i i i i i i i i i i i i


A. Biological hazards i


B. Chemical hazards i


C. Environmental hazards i


D. All of the above
i i i