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Question 1 of 20
1. Question
Thalassemia are characterized by:
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Question 2 of 20
2. Question
A patient has the laboratory results shown in this table:
test
result
RBC
6.5×106/μL(6.5×1012/L)
HGB
13.0g/dL(130 g/L)
HCT
39.0%
MCV
65μm3(65fL)
MCH
21.5pg
MCHC
33%
These results are compatible with:
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Question 3 of 20
3. Question
Laboratory findings in hereditary spherocytosis include:
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Question 4 of 20
4. Question
Which of the following types of polycythemia is a severely burned patient most likely to have?
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Question 5 of 20
5. Question
The characteristic morphologic feature in lead poisoning is:
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Question 6 of 20
6. Question
The white cell feature most characteristic of pernicious anemia is:
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Question 7 of 20
7. Question
Which parameter is most consistently abnormal in cases of hereditary spherocytosis?
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Question 8 of 20
8. Question
What protein is commonly defective in hereditary elliptocytosis?
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Question 9 of 20
9. Question
What is the most common mechanism resulting in hereditary stomatocytosis?
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Question 10 of 20
10. Question
The basic mechanism associated with the development of sideroblastic anemia is:
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Question 11 of 20
11. Question
Individuals with Fanconi anemia characteristically show:
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Question 12 of 20
12. Question
Which of the following tumors are associated with erythrocytosis due to excessive erythropoietin production?
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Question 13 of 20
13. Question
Which of the following features of G6PD deficiency are typically present on a Wright-Giemsa stained peripheral blood smear?
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Question 14 of 20
14. Question
Which abnormal RBC morphology is associated with pyruvate kinase deficiency?
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Question 15 of 20
15. Question
Which of the following hemoglobinopathies is associated with rod shaped crystals?
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Question 16 of 20
16. Question
Which of the following statements about hemoglobin D and G is true?
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Question 17 of 20
17. Question
This hemoglobinopathy results from a fusion product of the delta and beta gene:
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Question 18 of 20
18. Question
Which of the following is consistent with the diagnosis of heterozygous beta-thalassemia?
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Question 19 of 20
19. Question
Hereditary persistence of fetal hemoglobin (HPFH) is due to a loss of expression of this globin chain:
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Question 20 of 20
20. Question
What is the specificity of cold auto agglutinin disease?
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