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Questions and Answers
What is the main cause of aplastic crises in patients with sickle cell disease?
What is the main cause of aplastic crises in patients with sickle cell disease?
- Damaged red cells
- Infection with parvovirus (correct)
- Increased red cell breakdown
- Folate deficiency
Which laboratory finding is characteristic of increased red cell production in aplastic anaemia?
Which laboratory finding is characteristic of increased red cell production in aplastic anaemia?
- Increased serum haptoglobins
- Elevated urine urinobilinogen
- Erythroid hyperplasia in bone marrow (correct)
- Presence of microspherocytes
What is the typical presentation of aplastic anaemia in terms of haemorrhagic manifestations?
What is the typical presentation of aplastic anaemia in terms of haemorrhagic manifestations?
- Enlarged lymph nodes, liver, and spleen
- Hemolysis and jaundice
- Frequent retinal hemorrhage
- Bruising, bleeding gums, and epistaxes (correct)
In aplastic anemia, what laboratory finding indicates increased red cell breakdown?
In aplastic anemia, what laboratory finding indicates increased red cell breakdown?
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What is a common life-threatening complication of aplastic anaemia?
What is a common life-threatening complication of aplastic anaemia?
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