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MLT Boards- Hematology (BOR)

What is the standard calibration method for hematology instrumentation against which other methods must be verified? normal whole blood
The most common form of childhood leukemia is: acute lymphocytic
Which of the following measures platelet function? bleeding time, prothrombin time, thrombin time, partial thromboplastin time bleeding time
The values on page 226 were abtained on a automated blood count system performed on a blood sample from a 25-year-old man. These results are most consistant with what? a high titer of cold agglutinins
A blood smear shows 80 nucleated rec cells per 100 leukocytes. The total leukocyte count 1s 18 x 1063/uL. The true white cell count expressed in SI units is: 10.0 x 10^3/uL
The results on page 226 were obtained on an electronic particle counter. What step should be taken before recycling the sample? dilute the specimen
Of the following, the disease most closely associated with granulocyte hyposegmentation is: May-Hegglin anomaly, Pelger-Huet anomaly, Chediak-Higashi syndrome, or Gaucher's disease Pelger-Huet anomaly
The most appropriate screening teat for detecting hemoglobin F is: Kleihauer-Betke
The most appropriate screening test for hemoglobin H is: heat instability test
The most appropriate screening test for hemoglobin S is: dithionite solubility
The most appropriate screening test for hereditary spherocytosis is: osmotic fragility
The most appropriate screening test for paroxysmal nocturnal hemoglobinuria is: sucrose hemolysis
The characteristic morphologic feature in multiple myloma is: rouleaux formation
A characteristic morphologic feature in hemoglobin C disease is: target cells
Hematology standards include: certified cyanmethemoglobin solution
The results on page 228 were abtained on an electronic particle counter: correct the hemoglobin for lipemia
Which of the following tests is used to monitor red cell production? reticulocyte count
A diff was done on an asymptomatic patient. The diff included 60% segs: 55 of which had 2 lobes & 5 had 3 lobes. There were no other abnormalities. This is consistent with what anomalie? Pelger-Huet
The results on page 229 were obtained on an electronic particle counter. What action should be taken to obtained accurate results? warm the specimen and recount
Thalassemias are characterized by: decreased rate of globin synthesis
Phagocytosis is a function of: granulocytes
Cells involved in hemostasis are: thrombocytes
Cells for the transport of O2 and CO2 are: erythrocytes
Cells that produce antibodies and lymphokines are: lymphocytes
In polycythemia vera, the hemoglobin, hematocrit, red blood cell count, and red cell mass are: elevated
In polycythemia vera, the platelet count is: elevated
50 - 90% myeloblasts in a peripheral blood sample is typical of which leukemia? acute granulocytic leukemia
Auer rods are most likely present in which of the following? acute granulocytic leukemia
All stages of neutrophils are most likely to be seen in the peripheral blood of a patient with: chronic granulocytic leukemia
Erythropoietin acts to: stimulate RNA synthesis of erythroid cells
In the French-American-British (FAB) classification, acute lymphocytic leukemia is divided into groups according to: morphology
The specimen os choice for preparation of blood films for manuel differential leukocyte counts is whole blood collected in: EDTA
When platelet concentrate at the edges and feathered end of a blood smear, it is usually due to: poorly made wedge smear
Irregular clumping of platelets is usually due to: inadequate mixing of blood and anticoagulant
Platelet satellitosis is usually due to : abnormal proteins
Elevation of the granulocyte percentage above 75% is termed: relative neutrophilic leukocytosis
Elevation of the lymphocyte percentage above 47% is termed: relative lymphocytosis
Elevation of the total granulocyte count above 9.0 x 10^3/uL is termed: absolute neutrophilic leukocytosis
Elevation of the total white cell count above 12 x 10^9/ul is termed: leukocytosis
The chamber counting method of platelet enumeration allows direct visualization of: the particles being counted
Specific (secondary) granules of the neutrophilic granulocyte appear first: at the myelocyte stage
The anemia of chronic infection is characterized by decreased: serum iron
Which of the listed on page 233 are characteristics of polycythemia vera? decreased or absent bone marrow iron stores
Factors commonly involved in producing anemia in patients with chronic renal disease include ineffective: erythropoiesis
Thrombocytopenia is a characteristic of: May-Hegglin anomaly
A leukocyte count and diff on a 40-year-old Caucasian man revealed the results listed on page 233. These date represent: relative lymphocytosis
A leukocyte count and diff on a 40-year-old whate man revealed the resultes listed on page 234. These data represent: absolute neutropenia
What platelet response listed on page 234 is most likely associated with classic von Willebrands disease? decreased platelet aggregatio to ristocetin
The majority of the iron in an adult is found as a constituent of: hemoglobin
A patient has the results listed on page 234. These results are compatible with: thalassemis minor
Created by: dayzemai