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Beta Thalassemia Variants Quiz
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Beta Thalassemia Variants Quiz

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Questions and Answers

Which condition is usually due to point mutations in promoter sequences or splicing sites?

  • Beta-thalassemia minor (correct)
  • Alpha-thalassemia intermedia
  • Alpha-thalassemia major
  • Sickle cell beta thalassemia

    • What type of anemia can be suspected if a low reticulocyte count (< 2%) is observed in normocytic anemia patients?

  • Beta-thalassemia major (correct)
  • Alpha-thalassemia major
  • Alpha-thalassemia intermedia
  • Sickle cell beta thalassemia

    • Which gene cluster is located on chromosome 16?

  • Thalassemia-promoting gene
  • Beta-globin locus
  • Hemoglobin A gene
  • Alpha-globin gene cluster (correct)

    • In which population is cis-deletion more common?

    <p>Asian populations</p> Signup and view all the answers

    How many defective alleles are present in the silent carrier form of alpha-thalassemia?

    <p>One defective allele</p> Signup and view all the answers

    Which type of thalassemia has a higher risk of developing Hb Bart in the children of parents with a two-gene deletion in cis?

    <p>Alpha-thalassemia trait</p> Signup and view all the answers

    Which type of thalassemia usually results from deletion of at least one out of the four existing alleles?

    <p>Alpha-thalassemia major</p> Signup and view all the answers

    What staining technique is recommended if sideroblastic anemia is suspected?

    <p>Prussian blue staining</p> Signup and view all the answers

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