Exam Questions Ch20 Hematology Automation and Flow Cell - Test Bank | Hematology in Practice 3e by Betty Ciesla by Betty Ciesla. DOCX document preview.
Chapter 20: Hematology Automation and Flow Cell Cytometry
Multiple Choice
1. Electrical impedance is used to detect which two cell parameters?
A. Cell size and nuclear complexity
B. Cytoplasm and nuclear complexity
C. Number of cells and cell size
D. Number of cells and nuclear complexity
L.O. 20.1
2. Which of the following principles utilizes on a change in voltage?
A. Electrical impedance
B. Radiofrequency
C. VCS technology
D. Flow cytometry
L.O. 20.1
3. Graphic representations of cell frequencies versus cell size are seen in which of the following?
A. Scatterplots
B. Dot plots
C. Histograms
D. Contour plots
L.O. 20.2
4. On a histogram, the relative number of cells is plotted on which axis?
A. x-axis
B. y-axis
L.O. 20.2
5. On a histogram, the size, or volume, of cells is plotted on which axis?
A. x-axis
B. y-axis
L.O. 20.2
6. A three-dimensional graphic representation of cellular characteristics is known as which of the following?
A. Histogram
B. Scatterplot
C. Flagging criteria
D. Opacity
L.O. 20.2
7. While a histogram can provide cell number and size, scatterplots can demonstrate what additional cellular characteristics?
A. Nuclear complexity
B. Cellular density
C. Nucleus:cytoplasm ratio
D. Cellular population abnormalities
L.O. 20.2
8. Quality control for hematology should be run with which frequency?
A. Every 4 hours of testing
B. Every 8 hours of testing
C. Every 24 hours of testing
D. Every week of testing
L.O. 20.3
9. Some instruments provide automated reticulocyte counts. Those that do utilize which stain to identify reticulocytes?
A. Wright’s stain
B. Prussian blue stain
C. New methylene blue
D. Crystal violet
L.O. 20.5
10. The ability to identify cells of the same lineage is accomplished through evaluating what cellular characteristic?
A. Cytoplasmic complexity
B. Antigens on cells using clusters of antibodies known as CDs
C. Antibodies on cells
D. Nuclear chromatin patterns
L.O. 20.7
11. Measuring CD is used to analyze which condition?
A. HIV
B. Anemia
C. MDSs
D. Thalassemia
L.O. 20.7
12. Contour plots are used in the reporting of which analysis method?
A. Electrical impedance
B. Flow cytometry
C. Radiofrequency
D. Opacity
L.O. 20.8
13. In single-parameter histograms, the x-axis represents which of the following?
A. CD marker
B. Number of cells
C. Fluorescent intensity
D. Cell subpopulations
L.O. 20.8
14. Two-parameter histograms are divided into how many regions to generate statistics on cell subpopulations?
A. 2
B. 16
C. 4
D. 3
L.O. 20.8
15. In electrical impedance, the length of the change in voltage represents which of the following?
A. Size of the cell
B. Number of cells
C. Nuclear characteristics
D. Cytoplasmic complexity
L.O. 20.1
True/False
16. If QC analysis falls outside the expected values, patient samples can be analyzed until QC is maintained.
A. True
B. False
L.O. 20.3
Matching: Match the following terms with the appropriate description.
17. Flag
18. Delta Check
19. Reflex testing
A. Draws attention to a large change in patient results from last analysis
B. Draws attention to the need for further testing
C. Draws attention to an abnormal results that requires review
17. C
18. A
19. B
L.O. 20.4
Listing
20. List three applications for flow cytometry testing.
L.O. 20.6
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Test Bank | Hematology in Practice 3e by Betty Ciesla
By Betty Ciesla