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Question 1 of 20
1. Question
What is the most common presentation of paroxysmal cold hemoglobinuria?
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Question 2 of 20
2. Question
Which of the following is the most common cause of anemia in hospitalized patients?
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Question 3 of 20
3. Question
In a patient with an increased red cell mass into the 99th percentile and serum erythropoietin level below reference range for normal, which of the following criteria confirms a diagnosis of polycythemia vera?
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Question 4 of 20
4. Question
A medical technologist is examining a peripheral smear and notices 7 large segmented neutrophils with between 5 and 7 lobes. Everything else about the CBC is otherwise normal. This observed morphologic change might develop months ahead of which of the following changes:
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Question 5 of 20
5. Question
The red blood cells in this image are representative of an anemia that is:
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Question 6 of 20
6. Question
This image of the blood smear from a newborn most likely represents:
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Question 7 of 20
7. Question
Hemoglobin H disease results from:
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Question 8 of 20
8. Question
The M:E ratio in polycythemia vera is usually:
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Question 9 of 20
9. Question
89.In an uncomplicated case of severe iron deficiency anemia, which of these sets of laboratory data represents the typical pattern of results?
set
serum iron
serum TIBC
% saturation
marrow% sideroblasts
marrow iron stores
serum ferritin
HbA2
a
↓
↑
↓
↓
↑
↑
↑
b
↓
↓
↓
↓
↓
↓
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c
↓
↑
↓
↓
↓
↓
↓
d
↓
↓
↑
↑
↑
↑
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Question 10 of 20
10. Question
A patient has a tumor that concentrates erythropoietin. He is most likely to have which of the following types of polycythemia?
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Question 11 of 20
11. Question
Which of the following types of polycythemia is most often associated with lung disease?
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Question 12 of 20
12. Question
A patient has been treated for a malignant tumor for several years. His blood smear now shows:
- oval macrocytes
- Howell-Jolly bodies
- hypersegmented neutrophils
- large, agranular platelets
The most probable cause of this blood picture is:
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Question 13 of 20
13. Question
How does the bone marrow respond to anemic stress?
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Question 14 of 20
14. Question
Which of the following conditions may contribute to lethargy, abdominal pain, and hemoglobinuria in some patients with a G6PD deficiency?
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Question 15 of 20
15. Question
The most likely cause of the macrocytosis that often accompanies primary myelofibrosis is:
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Question 16 of 20
16. Question
Giant, vacuolated, multinucleated erythroid precursors are present in which of the following?
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Question 17 of 20
17. Question
Which of the following is a significant feature of dyserythropoiesis?
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Question 18 of 20
18. Question
The M:E ratio in erythroleukemia is usually:
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Question 19 of 20
19. Question
Autoimmune hemolytic anemia is often a complication of:
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Question 20 of 20
20. Question
Elevation of the total granulocyte count above 7.5 x 103/μL(7.5 x 109/L) is termed: