Hematology & Coagulation

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1. Cells for the transport of O2 and CO2 are:

Explanation

Primary functions of red blood cells

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Hematology & Coagulation - Quiz

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2. The majority of the iron in an adult is found as a constituent of:

Explanation

2/3 iron in the body is bound to Hgb

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3. Erythropoietin acts to:

Explanation

Erythropoietin action

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4. The principle confirmatory test for hereditary spherocytosis is:

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5. .

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6. .

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7. The characteristic morphologic feature in lead poisoning is:

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8. The term "shift to the left" refers to:

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9. In order for hemoglobin to combine reversibly with oxygen, the iron must be:

Explanation

Functional form of Fe (reduced)

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10. What cell shape is most commonly associated with an increased MCHC?

Explanation

May be referred to as hyperchromic because of decreased MCHC

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11. A patient with polycythemia vera who is treated by phlebotomy is most likely to develop a deficiency of:

Explanation

Iron loss with loss of blood

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12. After the removal of red blood cells from the circulation hemoglobin is broken down into:

Explanation

Normal degradation products of red blood cells

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13. .

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14. .

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15. In polycythemia vera, the hemoglobin, hematocrit, red blood cell count and red cell mass are:

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16. Using a supra vital stain, the polychromatic red blood cells below would probably be:

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17. .

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18. Supravital staining is important for reticulocytes since the cells must be living in order to stain the:

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19. In the normal adult, the spleen acts as a site for:

Explanation

Major site of destruction of senescent red blood cells

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20. An enzyme deficiency associated with a moderate to severe hemolytic anemia after the patient is exposed to certain drugs and characterized by red cell inclusions formed by denatured hemoglobin in:

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21. The main function of the hexose monophosphate shunt in the erythrocyte is to:

Explanation

Maintains in Fe++ form by way of reduced glutathione

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22. Peripheral blood smears from patients with  untreated pernicious anemia are characterized by:

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23. Heinz bodies are:

Explanation

Formed with oxidization of Fe and formation of methemoglobin

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24. The light-colored zone adjacent to the nucleus in a plasmacyte is the:

Explanation

Morphological identifiable perinuclear halo

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25. Refer to the following illustration: Which curve represents the production of epsilon polypeptide chains of hemoglobin?

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26. Phagocytosis is a function of:

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27. Hemolysis in paroxysmal nocturnal hemoglobinuria (PNH) is:

Explanation

RBC membrane defect increases susceptibility to complement mediated lysis

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28. .

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29. Cells that produce antibodies and lymphokines are:

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30. Which of the following sets of laboratory finding is consistent with hemolytic anemia?

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31. Which of the following characteristics are common to hereditary spherocytosis, hereditary elliptocytosis, hereditary stomatocytosis, and paroxysmal nocturnal hemoglobinuria?

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32. A 89-year-old Caucasian female was transferred from a nursing facility for treatment of chronic urinary tract infection with proteinuria. WBC: 10.0x10^3 RBC: 3.1x10^6 Hgb: 7.2 g/dL Hct: 24% MCV: 78 um^3 MCHC: 31% Serum iron: 29 ug/dL TIBC: 160 ug/dL Serum ferritin: 100 ng/mL These data are most consistent with which of the following conditions?

Explanation

RBC membrane defects are common to PNH, HS, and HE

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33. A patient has the following lab data: RBC: 2.35x10^6/uL WBC: 3.0x10^3/uL Plt: 95.0x10^3 Hgb: 9.5 g/dL Hct: 27% MCV: 115 um^3 MCHC: 35% MCH: 40 pg Which of the following tests would contribute toward the diagnosis?

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34. The characteristic morphologic feature in folic acid deficiency is:

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35. Which of the following stains can be used to differentiate siderotic granules (Pappenheimer bodies) from basophilic stippling?

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36. The M:E ratio in acute myelocytic leukemia is usually:

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37. The following are compounds formed in the synthesis of heme:
  1. coproporphyrinogen
  2. porphobilinogen
  3. uroporphyrinogen
  4. protoporphyrinogen
Which of the following responses lists these compounds in teh order in which they are formed?

Explanation

Correct order of heme synthesis

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38. The lab findings on a patient are as follows: MCV: 55 um3 MCHC: 25% MCH:17pg A stained slide of this patient would reveal a red cell picture that is:

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39. The presence of excessive rouleaux formation on a blood smear is often accompanied by an increased:

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40. In which of the following disease states are teardrop cells and abnormal platelets most characteristically seen?

Explanation

RBC morphology; disease state identifiication

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41. .

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42. A patient has pancytopenia, decreased total serum iron, decreased serum iron binding capicity, and shows a homogeneous fluorescence pattern with a high titer on fluorescent anti-nuclear antibody test. This is suggestive of:

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43. Which of teh following is a significant feature of erythroleukemia/acute erythroid leukemia (DiGuglielmo syndrome)?

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44. The direct antiglobulin test is often positive in:

Explanation

Positive DAT

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45. A red blood cell about 5 um in diameter that stains bright red and shows no central pallor is a:

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46. Megaloblastic asynchronous development in the bone marrow indicates which one of the following?

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47. Which of the following are found in association with megaloblastic anemia?

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48. The smear represented below displays:

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49. In chronic myelocytic leukemia, blood histamine concentrations tend to reflect the:

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50. Factors commonly involved in producing anemia in patients with chronic renal disease include:

Explanation

Erythropoietin production questionable in chronic renal disease

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51. In an uncomplicated case of infectious mononucleosis, which of the following cells are affected?

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52. Inclusions in the cytoplasm of neutrophils as shown in the figure below are known as:

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53. In polycythemia vera, the leukocyte alkaline phophatase activity is:

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54. The characteristic peripheral blood morphologic feature in multiple myeloma is:

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55. Which of the RBC indices is a measure of the amount of hemoglobin in individual red blood cells

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56. The following results were obtained on a 45 year old man complaining of chills and fever: WBC 23x10^3 LAP 200 Philidelphia chromosome negative: These results are consistent with:

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57. Laboratory tests performed on a patient indicate macrocytosis, anemia, leukopenia and thrombocytopenia. Which of the following disorders is the patient most likely to have?

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58. Which of the following is most closely associated with idiopathic hemochromatosis?

Explanation

Hemochromatosis results in iron deposits in the tissues.

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59. The characteristic erythrocyte found in pernicious anemia is:

Explanation

Impaired DNA synthesis = macrocytes

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60. Elevation of the lymphocyte percentage above 47% is termed:

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61. The RDW-CV and RDW-SD performed by automated cells counters are calculations that provide:

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62. The most likely cause of the macrocytosis that often accompanies anemia of myelofibrosis is:

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63. Which of the following is used for staining reticulocytes?

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64. The Philadelphia chromosome is formed by a translocation between the:

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65. Which of the following is most closely associated with iron deficiency anemia?

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66. The laboratory tests performed on a patient indicate macrocytosis, anemia, leukopenia and thrombocytopenia. Which of the following disorders is the patient most likely to have?

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67. The most characteristic peripheral blood smear finding in multiple myeloma is:

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68. Biochemical abnormalities characteristic of polycythemia vera include:

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69. A patient was admitted with a history of chronic bleeding secondary to peptic ulcer. Hematology workup reveals a severe microcytic, hypochromic anemia. Iron studies were requested. Which of the following would be expected in this case? Result A = decreased iron, increased TIBC, increased iron stores Result B = increased iron, decreased TIBC, increased iron stores Result C = decreased iron, increased TIBC, decreased iron stores Result D = increased iron, normal TIBC, decreased iron stores

Explanation

Iron studies - lab results

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70. The M:E ratio in chronic myelocytic leukemia is usually:

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71. Which of the following stains is used to demonstrate iron, ferritin and hemosiderin?

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72. Auer bodies are:

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73. A 56-year-old man was admitted to the hospital for treatment of a bleeding ulcer. The following lab data was obtained? Examination of the bone marrow revealed the absence of iron stores. This data is most consistent with which of the following conditions?

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74. Mechanism of cortisol-induced neutrophilia includes:

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75. The white cell feature most characteristic of pernicious anemia is:

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76. The sed rate can be falsely elevated by:

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77. Which of the following is the formula for absolute cell count?

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78. A patient has a congenital nonspherocytic hemolytic anemia. After exposure to anti-malarial drugs the patient experiences a severe hemolytic episode. This episode is characterized by red cell inclusions caused by hemoglobin denaturation. Which of the following conditions is most consistent with these findings?

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79. Which of the following types of polycythemia is a severely burned patient most likely to have?

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80. Which of the following is most likely to be seen in lead poisoning?

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81. The M:E ratio in erythroleukemia is usually:

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82. The anemia of chronic infection is characterized by:

Explanation

Serum Fe levels low due to sequesration in macrophages and hepatocytes

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83. A 20-year-old woman with sickle cell anemia whose usual hemoglobin concentration is 8 g/dL develops fever, increased weakness and malaise. The hemoglobin concentration is 4 g/dL and the reticulocyte count is 0.1%. The most likely explanation for her clinical picture is:

Explanation

Sickle cell disease, effect on lab results

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84. A patient with beta-thalassemia characteristically has a(n):

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85. The disease most frequently present in patients with atypical lymphcytosis and persistently negative tests is:

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86. A characteristic morphologic feature in hemoglobin C disease is:

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87. Which of the following is the formula for mean corpuscul hemoglobin (MCH)?

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88. Which of the following represents characteristic features of iron metabolism in patients with anemia of chronic disorder? result A  Iron level normal, Transferrin normal, TIBC normal result B  Iron level increased, Transferrin increased, TIBC normal or slightly increased result C  Iron level normal, Transferrin markedly increased, TIBC normal result D  Iron level decreased, Transferrin decreased, TIBC normal or decreased

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89. A patient has the following lab results: RBC: 2.0 Hct: 24% Hgb: 6.8 Retic: 0.8% The MCV of the patient is:

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90. A 50-year-old patient was found to have the following lab results: Hgb: 7.0 g/dL Hct: 20% RBC: 2.0x10^6/uL It was determinded that the patient was suffering from pernicious anemia. Which of the following sets of results most likely was obtained from the same patient? result A WBC 17,500, Platelet count 350,000, Retic count 5.2% result B WBC 7,500, Platelet count 80,000, Retic count 4,1% result C WBC 5,000, Platelet count 425,000, Retic count 2.9% result D WBC 3,500, Platelet count 80,000, Retic count 0.8%

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91. What is the MCH if: Hct is 20% RBC is 2.4x10^6 Hgb is 5 g/dL?

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92. .

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93. .

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94. A 40-year-old man had an erythrocyte count of 2.5x10^/uL, hematocrit of 22% and a reticulocyte count of 2.0%. Which of the following statments best describes his condition?

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95. Which of the following is most closely associated with erythroleukemia?

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96. Elevation of the total white cell count above 12x10^3 is termed:

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97. A hypercellular marrow with an M:E ratio of 6:1 is most commonly due to:

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98. A 40-year-old caucasian male was admitted to the hospital for treatment of anemia, lassitude, weight loss, and loss of libido. The patient presented with the following lab results: Examination of the bone marrow revealed erythroid  hyperplasia with a shift to the left of erythroid precursors. Prussian blue staining revealed markedly elevated iron stores noted with occasional sideroblasts seen. This data is most consistent with which of the following conditions?

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99. The Prussian blue staining of peripheral blood identifies:

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100. A 14-year-old boy is seen in the ER complaining of sore throat, swollen glands and fatigue. The CBC results are: WBC: 16.0x10^3/uL RBC: 4.37x10^6/uL Hgb: 12.8g/dL Hct: 38% Plt: 180x10^3/uL Differential: absolute neutrophils 3.9x10^9/L absolute lymphs 6.0x10^9/L absolute monos 0.5x10^9/L absolute atypical lymphs 3.2x10^9/L What is the most likely diagnosis?

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101. Elevation of the granulocyte percentage above 75% is termed:

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102. Laboratory findings in hereditary spherocytosis do not include:

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103. Dwarf or micro megakaryocytes may be found in the peripheral blood of patients with:

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104. All stages of neutrophils are most likely to be seen in the peripheral blood of a patient with:

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105. The hypoproliferative red cell population in the bone marrow of uremic patients is caused by:

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106. Evidence indicates that the genetic defect in thalassemia usually results in:

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107. The atypical lymph seen in the peripheral smear of patients with infectious mono is probably derived from which of the following?

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108. Giant, vacuolated, multinucleated erythroid precursors are present in which of the following?

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109. Refer to the following illustration: Which electrophoresis pattern is consistent with sickle cell trait?

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110. A native of Thailand has a normal hemoglobin level. Hemoglobin electrophoresis on cellulose acetate shows 70% hemoglobin A and 30% of a hemoglobin with the mobility of hemoglobin A2. This is most consistent with hemoglobin:

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111. Refer to the following illustration: Which curve represents the production of gamma polypeptide chains of hemoglobin?

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112. A patient has the following blood values: RBC: 6.5x10^6/uL Hgb:  13.0 g/dL Hct:  39.0% MCV:  65 um^3 MCH: 21.5 pg MCHC:  33% These results are compatible with:

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113. Which of the following is associated with pseudo Pelger-Huet anomaly?

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114. In normal adult bone marrow, the most common granulocyte is the:

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115. Which of the following is most closely associated with acute promyelocytic leukemia?

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116. Anemia secondary to uremia characteristically is:

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117. Multipotent stem cells are capable of producing:

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118. The following results were obtained: WBC: 5.0 x 10^3 RBC: 1.7 x 10^6 MCV: 84 um^3 Plt: 89 x 10^3 LAP: 142 Philadelphia chromosome: Negative Diff: Segs: 16% Bands: 22% Lymph: 28% Monos: 16% Eos: 1% Basos: 1% Metamyelos: 4% Myelos: 3% Promyelos: 4% Blasts: 5% 1 megakaryoblast; 30 nucleated reds; teardrops; schistocytes; polychromasia; giant and bizarre platelets This is consistent with:

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119. The most appropriate screening test for detecting hemoglobin F is:

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120. The most appropriate screening test for hemoglobin S is:

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121. Refer to the following illustration: Which curve represents the production of alpha polypeptide chains of hemoglobin

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122. Increased numbers of basophils are often seen in:

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123. Hemoglobin H disease results from:

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124. In an adult with rare homozygous delta-beta thalassemia, the hemoglobin produced is:

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125. Which of the following is not a characteristic of hemoglobin H?

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126. Evidence of active red cell regeneration may be indicated on blood smear by:

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127. A screening test for paroxysmal nocturnal hemoglobinuria is:

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128. A patient has a high cold agglutinin titer with elevated MCV, MCH and MCHC. Red cells appear normal on the smear, but agglutinates are noted. The proper course of action would be:

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129. 50%-90% myeloblasts in a peripheral blood is typical of which of the following?

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130. In the French American British (FAB) classification, myelomonocytic leukemia would be:

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131. The bone marrow in the terminal stage of erythroleukemia is often indistinguishable from that seen in:

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132. The following results were obtained on a 35 year old woman complaining of fatigue and weight loss: WBC: 1.8 x 10^3 RBC: 4.6 x 10^6 Plt: 903 x 10^3 Uric acid: 6.4 mg/dL LAP 0 Philadelphia chromosome: Positive These results are consistent with:

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133. A term that means varying degrees of leukocytosis with a shift to the left and occasional nucleated red cells in the peripheral blood is:

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134. Auer rods:

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135. Auer rods are most likely present in which of the following:

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136. Which of the following cells is the atypical lymphocyte seen on the peripheral blood smear of patients with infectious mononucleosis?

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137. Specific (secondary) granules of the neutrophilic granulocyte:

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138. The values below were obtained on an automated blood count system performed on a blood sample from a 25-year-old man: These results are most consistent with which of the following?

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139. With this blood picture, an additional test indicated is:

Explanation

Hgb C crystals can be seen in patients with Hgb C disease, more often in individuals who have undergone splenectomy.

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140. Hematology standards include:

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141. The mean value of a reticulocyte count on a specimens of cord blood from healthy, full-term newborns is approximately:

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142. Thalassemias are characterized by:

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143. A blood sample from a patient with a high titer cold agglutinin, analyzed at room temperature with an electronic particle counter would cause an error in the:

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144. Which is the most predominant form of secondary hematologic malignancy seen in patients with multiple myeloma?

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145. Many microspherocytes, schistocytes and budding off of spherocytes can be seen on peripheral blood smears of patients with:

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146. The absence of the Philadelphia chromosome in granulocytic leukemia suggests:

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147. Which one of the following hypochromic anemias is usually associated with a normal free erythrocyte protoporphyrin level?

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148. Which of the following is most closely associated with chronic myelogenous leukemia?

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149. Which of the following technical factors will cause a decreased erythrocyte sedimentation rate?

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150. Refer to the following illustration: Which curve represents the production of beta polypeptide chains of hemoglobin?

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151. Refer to the following illustration: Which curve represents the production of delta polypeptide chains of hemoglobin?

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152. Abnormalities found in erythroleukemia include:

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153. Neutropenia is not usually associated with:

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154. All of the findings listed below may be seen in acquired hemolytic anemias of the autoimmune variety. The one considered to be the most characteristic is:

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155. Which cells are involved in immediate hypersensitivity reaction:

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156. An increased amount of cytoplasmic basophilia in a blood cell indicates:

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157. All of the following condition are myeloproliferative disorders except:

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158. A common source of interference in the cyanmethemoglobin method is:

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159. A 20-year-old African-American man has peripheral blood changes suggesting thalassemia minor. The quantitative hemoglobin A2 level is normal, but the hemoglobin F level is 5% (normal is <2% in adults). This is most consistent with:

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160. A 30 year old man who had been diagnosed as having leukemia 2 years previously was readmitted because of cervical lymphadenopathy. Lab findings include: WBC: 39.6 x 10^3 RBC: 3.25 x 10^6 Hgb: 9.4 g/dL Hct: 28.2% MCV: 86.7 um^3 MCH: 29.0 pg MCHC: 33.4% Plt: 53 x 10^3 LAP: 11 Philadelphia chromosome: Positive Differential: 13% blasts These results are most consistent with:

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161. Terminal deoxynucloeotidyl transferase (TdT) is a marker found on:

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162. When using an electronic cell counter, which of the following results can occur in the presence of a cold aglutinin?

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163. Elavation of the total white granulocytes count above 7.7x10^3 is termed:

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164. The following results were obtained on a patient's blood: Hgb: 11.5 g/dL Hct: 40% MCV: 89 um^3 MCH: 26 pg MCHC: 29% Examination of a Wright-stained smear of the same sample would most likely show:

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165. Which of the following is increased in erythrocytosis secondary to a congenital heart defect?

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166. The absence of intermediate maturing cells between the blast and mature neutrophil commonly seen in acute myelocytic leukemia and myelodysplastic syndromes is called:

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167. A wright-stained peipheral smeal reveals the following: Erythrocytes enlarged 1 1/2 to 2x normal size Schuffner dots Parasite with irregular "spread-out" trophozoites, golden brown pigment 12-24 merozoites Wide range of stages This is consistent with Plasmodium:

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168. Which of the following is characteristic of polycythemia vera?

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169. Refer to the following pattern: Which pattern is consistent with beta-thalassemia major?

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170. Which of the following conditions is not associated with a high incidence of leukemia?

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171. In most cases of hereditary persistence of fetal hemoglobin (HPFH):

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172. When using the turbidity (solubility) method for detecting the presence of hemoglobin S, an incorrect interpretation may be made when there is a(n):

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173. Patients with A(-) type G-6-PD deficiency are least likely to have hemolytic episodes in which of the following situations?

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174. The peripheral blood monocytes is an imtermediate stage of the formation of:

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175. The M:E ratio in polycythemia vera is usually:

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176. A block in the differentiation or maturation of, and an accretion of immature hematopoietic progenitors is a hallmark of:

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177. A 50 year old man was admitted into the hospital with acute leukemia. Lab findings are as follows: Myeloperoxidase stain: Blast cells negative PAS stain: Blast cells demonstrate a blocking pattern Terminal deoxynucleotidyl transferase (TdT): Blast cells positive Surface immunoglobulins: Blast cells negative CD2: Blast cells negative Philadelphia chromosome: Positive These results are consistent with:

Explanation

Results demonstrate a lymphoblastic cell line and 1/3 of cases of CGL in blast phase are consistent with ALL

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178. The following results were obtained from a post surgery patient: Day 17 Hgb 12.1 Hct 29.2% Day 18 Hgb 11.6 Hct 29.4% Day 19 Hgb 9.4 Hct 28.8% The most consistent explanation for the above data is:

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179. Which of the following is most closely associated with chronic myelomonocytic leukemia?

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Cells for the transport of O2 and CO2 are:
The majority of the iron in an adult is found as a constituent of:
Erythropoietin acts to:
The principle confirmatory test for hereditary spherocytosis is:
.
.
The characteristic morphologic feature in lead poisoning is:
The term "shift to the left" refers to:
In order for hemoglobin to combine reversibly with oxygen, the iron...
What cell shape is most commonly associated with an increased MCHC?
A patient with polycythemia vera who is treated by phlebotomy is most...
After the removal of red blood cells from the circulation hemoglobin...
.
.
In polycythemia vera, the hemoglobin, hematocrit, red blood cell count...
Using a supra vital stain, the polychromatic red blood cells below...
.
Supravital staining is important for reticulocytes since the cells...
In the normal adult, the spleen acts as a site for:
An enzyme deficiency associated with a moderate to severe hemolytic...
The main function of the hexose monophosphate shunt in the erythrocyte...
Peripheral blood smears from patients with ...
Heinz bodies are:
The light-colored zone adjacent to the nucleus in a plasmacyte is the:
Refer to the following illustration:...
Phagocytosis is a function of:
Hemolysis in paroxysmal nocturnal hemoglobinuria (PNH) is:
.
Cells that produce antibodies and lymphokines are:
Which of the following sets of laboratory finding is consistent with...
Which of the following characteristics are common to hereditary...
A 89-year-old Caucasian female was transferred from a nursing facility...
A patient has the following lab data:...
The characteristic morphologic feature in folic acid deficiency is:
Which of the following stains can be used to differentiate siderotic...
The M:E ratio in acute myelocytic leukemia is usually:
The following are compounds formed in the synthesis of heme:...
The lab findings on a patient are as follows:...
The presence of excessive rouleaux formation on a blood smear is often...
In which of the following disease states are teardrop cells and...
.
A patient has pancytopenia, decreased total serum iron, decreased...
Which of teh following is a significant feature of...
The direct antiglobulin test is often positive in:
A red blood cell about 5 um in diameter that stains bright red and...
Megaloblastic asynchronous development in the bone marrow indicates...
Which of the following are found in association with megaloblastic...
The smear represented below displays:
In chronic myelocytic leukemia, blood histamine concentrations tend to...
Factors commonly involved in producing anemia in patients with chronic...
In an uncomplicated case of infectious mononucleosis, which of the...
Inclusions in the cytoplasm of neutrophils as shown in the figure...
In polycythemia vera, the leukocyte alkaline phophatase activity is:
The characteristic peripheral blood morphologic feature in multiple...
Which of the RBC indices is a measure of the amount of hemoglobin in...
The following results were obtained on a 45 year old man complaining...
Laboratory tests performed on a patient indicate macrocytosis, anemia,...
Which of the following is most closely associated with idiopathic...
The characteristic erythrocyte found in pernicious anemia is:
Elevation of the lymphocyte percentage above 47% is termed:
The RDW-CV and RDW-SD performed by automated cells counters are...
The most likely cause of the macrocytosis that often accompanies...
Which of the following is used for staining reticulocytes?
The Philadelphia chromosome is formed by a translocation between the:
Which of the following is most closely associated with iron deficiency...
The laboratory tests performed on a patient indicate macrocytosis,...
The most characteristic peripheral blood smear finding in multiple...
Biochemical abnormalities characteristic of polycythemia vera include:
A patient was admitted with a history of chronic bleeding secondary to...
The M:E ratio in chronic myelocytic leukemia is usually:
Which of the following stains is used to demonstrate iron, ferritin...
Auer bodies are:
A 56-year-old man was admitted to the hospital for treatment of a...
Mechanism of cortisol-induced neutrophilia includes:
The white cell feature most characteristic of pernicious anemia is:
The sed rate can be falsely elevated by:
Which of the following is the formula for absolute cell count?
A patient has a congenital nonspherocytic hemolytic anemia. After...
Which of the following types of polycythemia is a severely burned...
Which of the following is most likely to be seen in lead poisoning?
The M:E ratio in erythroleukemia is usually:
The anemia of chronic infection is characterized by:
A 20-year-old woman with sickle cell anemia whose usual hemoglobin...
A patient with beta-thalassemia characteristically has a(n):
The disease most frequently present in patients with atypical...
A characteristic morphologic feature in hemoglobin C disease is:
Which of the following is the formula for mean corpuscul hemoglobin...
Which of the following represents characteristic features of iron...
A patient has the following lab results:...
A 50-year-old patient was found to have the following lab results:...
What is the MCH if: Hct is 20% RBC is 2.4x10^6 Hgb is 5 g/dL?
.
.
A 40-year-old man had an erythrocyte count of 2.5x10^/uL, hematocrit...
Which of the following is most closely associated with...
Elevation of the total white cell count above 12x10^3 is termed:
A hypercellular marrow with an M:E ratio of 6:1 is most commonly due...
A 40-year-old caucasian male was admitted to the hospital for...
The Prussian blue staining of peripheral blood identifies:
A 14-year-old boy is seen in the ER complaining of sore throat,...
Elevation of the granulocyte percentage above 75% is termed:
Laboratory findings in hereditary spherocytosis do not include:
Dwarf or micro megakaryocytes may be found in the peripheral blood of...
All stages of neutrophils are most likely to be seen in the peripheral...
The hypoproliferative red cell population in the bone marrow of uremic...
Evidence indicates that the genetic defect in thalassemia usually...
The atypical lymph seen in the peripheral smear of patients with...
Giant, vacuolated, multinucleated erythroid precursors are present in...
Refer to the following illustration:...
A native of Thailand has a normal hemoglobin level. Hemoglobin...
Refer to the following illustration:...
A patient has the following blood values:...
Which of the following is associated with pseudo Pelger-Huet anomaly?
In normal adult bone marrow, the most common granulocyte is the:
Which of the following is most closely associated with acute...
Anemia secondary to uremia characteristically is:
Multipotent stem cells are capable of producing:
The following results were obtained:...
The most appropriate screening test for detecting hemoglobin F is:
The most appropriate screening test for hemoglobin S is:
Refer to the following illustration:...
Increased numbers of basophils are often seen in:
Hemoglobin H disease results from:
In an adult with rare homozygous delta-beta thalassemia, the...
Which of the following is not a characteristic of hemoglobin H?
Evidence of active red cell regeneration may be indicated on blood...
A screening test for paroxysmal nocturnal hemoglobinuria is:
A patient has a high cold agglutinin titer with elevated MCV, MCH and...
50%-90% myeloblasts in a peripheral blood is typical of which of the...
In the French American British (FAB) classification, myelomonocytic...
The bone marrow in the terminal stage of erythroleukemia is often...
The following results were obtained on a 35 year old woman complaining...
A term that means varying degrees of leukocytosis with a shift to the...
Auer rods:
Auer rods are most likely present in which of the following:
Which of the following cells is the atypical lymphocyte seen on the...
Specific (secondary) granules of the neutrophilic granulocyte:
The values below were obtained on an automated blood count system...
With this blood picture, an additional test indicated is:
Hematology standards include:
The mean value of a reticulocyte count on a specimens of cord blood...
Thalassemias are characterized by:
A blood sample from a patient with a high titer cold agglutinin,...
Which is the most predominant form of secondary hematologic malignancy...
Many microspherocytes, schistocytes and budding off of spherocytes can...
The absence of the Philadelphia chromosome in granulocytic leukemia...
Which one of the following hypochromic anemias is usually associated...
Which of the following is most closely associated with chronic...
Which of the following technical factors will cause a decreased...
Refer to the following illustration:...
Refer to the following illustration:...
Abnormalities found in erythroleukemia include:
Neutropenia is not usually associated with:
All of the findings listed below may be seen in acquired hemolytic...
Which cells are involved in immediate hypersensitivity reaction:
An increased amount of cytoplasmic basophilia in a blood cell...
All of the following condition are myeloproliferative disorders...
A common source of interference in the cyanmethemoglobin method is:
A 20-year-old African-American man has peripheral blood changes...
A 30 year old man who had been diagnosed as having leukemia 2 years...
Terminal deoxynucloeotidyl transferase (TdT) is a marker found on:
When using an electronic cell counter, which of the following results...
Elavation of the total white granulocytes count above 7.7x10^3 is...
The following results were obtained on a patient's blood:...
Which of the following is increased in erythrocytosis secondary to a...
The absence of intermediate maturing cells between the blast and...
A wright-stained peipheral smeal reveals the following:...
Which of the following is characteristic of polycythemia vera?
Refer to the following pattern:...
Which of the following conditions is not associated with a high...
In most cases of hereditary persistence of fetal hemoglobin (HPFH):
When using the turbidity (solubility) method for detecting the...
Patients with A(-) type G-6-PD deficiency are least likely to have...
The peripheral blood monocytes is an imtermediate stage of the...
The M:E ratio in polycythemia vera is usually:
A block in the differentiation or maturation of, and an accretion of...
A 50 year old man was admitted into the hospital with acute leukemia....
The following results were obtained from a post surgery patient:...
Which of the following is most closely associated with chronic...
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