Examination of Wright-stained blood smear, what is the color of the nuclei of WBC
In microscopic examination of Wright-stained blood smear, what is the color of the nuclei of WBC?
What is the color of RBC in Wright-stained smear?
An increased in WBC count produce by factors or situation that do not involve tissue damage.
Severe neutropenia and is almost associated with severe depletion of eosinophils and basophils.
Hereditary autosomal dominant condition involving failure to normal segmentation of granulocytic nuclei.
A derivative of hgb in which ferrous iron is oxidized to ferric state resulting to inability to combine with oxygen.
The common principle in automated cell counters.
Prolonged application of tourniquet may result to
9 9. Red blood cells derives its energy through the process of
10. The diluting fluid for WBC count should
12. 11. When the counting chamber is overcharged (overflow), the next thing to do is:
12. A stain for the demonstration of reticulocytes
13. The differential leukocyte count should be made after the Med. Tech. has scanned the smear to evaluate the
following except.
14. Improved accuracy in the leukocyte differential count can be achieved through one of the following
modifications of the method
15. The internationally accepted method of hemoglobin measurement requires the conversion ofhemoglobin to
16. What principle is employed in WBC and differential count if the presence of specific enzymes or protein-dye is
being detected?
17. Which of the following principle may be employed in automated platelet count?
18. Among the RBC indices, which is directly measured by the analyzer?
19. A Juvenile cell is also known as
20. In automated differential count, radio frequency conductivity principle measures__________
21. The solutions contained in Drabkins reagent are
22. In Alkaline Hematin D method of hemoglobin determination, the stable colored compound is measured using the following EXCEPT
23. What is the stable crystalline compound use in the calibration procedure of Hematin D method of hemoglobin determination?
24. Toncantin method is use to count ________________
25. In phase-contrast microscopy for platelet counting, the diluent of choice is _____________.
26. The platelet stain contained in platelet -diluent containing citrate-formaldehyde buffer is___.
27. Which of the following does not caused an increased in platelet count?
28. Which of the following causes a decreased platelet count?
29. This means as the time from receipt of the specimen with accompanying request to the release of report from the laboratory.
30. With the presence of nucleated RBC, what parameter must be checked or corrected?
31. What is the fixative used in Romanowsky stain ?
32. In blood smear staining, the pH of water should be between
33. The internationally accepted method of hemoglobin measurement requires the conversion of hemoglobin to
34. After staining a PBS with wright stain and a buffer with the correct pH, The RBC’s appear pale pink and the WBC’s stain very weakly with little-to-no nuclear detail. One possible explanation is
35. Which of the following conditions would introduce a source of error into a manual WBC count?
36. The following erythrocytes indices are obtained for a specimen:
MCV = 88 fL
MCH = 30 pg
MCHC = 34 g/dL
These erythrocytes on a Wright-stained smear should appear
37. While performing a WBC differential count on a capillary blood smear, no platelets were observed. What action should be taken?
38. A falsely elevated hematocrit is obtained on a defective centrifuge. Which of the following values will not be affected?
39. What effect would the use of a buffer with a pH of 6.0 have on a Wright-stained smear?
40. A student consistently makes a peripheral blood smears that are too thin. You instruct the students to try slide
41. What is the ideal angle of the spreader slide to the glass slide in blood smear preparation?
42. Your last 20 Wright-stained smears were all too pink in color. What is the best way to remedy this situation?
43. A Supravital stain must be used to demonstrate the presence of
44. An erroneously high spun haematocrit can be caused by
45. All dilution fluids for WBC counts must serve at least two purposes. One is to suspend and disperse the WBC; the other is to
46. In a normal WBC differential count from a 24-year-old male, there are usually more
47. Peripheral blood smears with uneven edges may be caused by
48. A protein build up in the orifice of the aperture of an impedance counter will result in a falsely increased
49. A heparinized specimen is received in the hematology laboratory. Which procedure would be acceptable on this
specimen?
50. An average of 7 platelets per oil-immersion field are seen on a peripheral blood smear prepared by the wedge
method. What is the approximate platelet count/mm3?
51. A haemoglobin value of 10.3 g/dL would correlate with a microhematocrit of
52. A 7-mL EDTA tube is received in the laboratory containing only 2 mL of blood. If the laboratory is using manual techniques, which of the following tests will most likely be erroneous?
53. What effect would using a buffer at pH 6.0 have on Wright’s-stained smear?
54. Which of the following erythrocyte inclusions can be visualized with supravital stain but cannot be detected on a Wright-stained blood smear?
55. A Miller disk is an ocular device used to facilitate counting of:
56. The Coulter principle for counting of cells is based upon the fact that:
57. A correction is necessary for WBC counts when nucleated RBCs are seen on the peripheral smear because:
58. Which inclusions may be seen in leukocytes?
59. Which of the following is contained in the primary granules of the neutrophil?
60. What is the characteristic finding is seen in the peripheral smear of a patient with multiple myeloma?
Choices for 61-68: Match the RBC morphology to its other name.
61. Acanthocyte
62. Ovalocyte
63. Sicke cell
64. Tear drop cell
65.Helmet cell
66. Mouth cell
67.Burr cell
68. Target cell
Choices 69-74: Match the cell (Abnormal RBC morphology) predominantly seen in the given condition
69. Alcoholism
70. Transfusion Reaction
71. Peptic ulcer
72. Pulmonary embolism
73. Myelofibrosis
74. Multiple myeloma
Choices 75 – 80 : Match the RBC inclusion to its description.
75. Denatured haemoglobin inside the RBC
76. Fragments of DNA inside RBC
77. Iron aggregates in RBC stained by wright stain
78. Remnants of nuclear membrane inside RBC
79. Precipitated RNA present in RBC
80. Rhomboid structure inside RBC due to Hgb SC disease
Choices 81-85: Match the RBC inclusion to the condition it is associated.
81. Lead poisoning
82. G6-PD problem
83. Splenectomy
84. Sideroblastic anemia
85. Pernicious anemia
Choices 86-90: Match the grading of identified RBC with abnormal morphology to its quantity.
86. Schistocytes = 10/field
87. Ovalocytes = 15 /field
88. Burr cells = 10/field
89. Spherocytes = 15/field
90. Target cell = 5/field
91. Bundles or stacks of auer rods is termed as:
92.Which type of leukemia is associated best prognosis of cure?
93.A patient with leukemia has gingival hyperthrophy and infiltration and rectal ulceration with increase urine muramidase. This features are characteristic of what type of leukemia?
94.In the diagnosis of Acute myelomonocytic leukemia, both MPO and Sudan black is positive. Other stain that should be positive is/are
95.Which of the following is not among the diagnostic criteria used for classifying the myelodysplastic syndrome?
96.Auer rods may be seen in all of the following except:
97. Which of the following is not classified as a myeloproliferative disorder?
98. This type of leukemia is characterized by the presence of immature cells involving megakaryocytic and erythrocytic series
99. This type of leukemia is characterized by the presence of 15% blast cells and mature cells of lymphocytic series
in the peripheral blood.
100. In what type of AML where there is increased frequency of DIC and hemorrhagic complications?
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