Types of Normal and Abnormal Haemoglobin ILOs
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Questions and Answers

What is the chain composition of adult hemoglobin (HbA)?

  • α γ
  • α2 γ 2
  • α2 δ 2
  • α2 β 2 (correct)

    • Which type of normal hemoglobin constitutes about 90% of the total hemoglobin?

  • HbS
  • HbF
  • HbA2 (α2 δ 2)
  • HbA (α2 β 2) (correct)

    • What is the primary structural difference between HbA2 and HbF?

  • Presence of gamma chains
  • Presence of delta chains (correct)
  • Presence of alpha chains
  • Different globin structures

    • Which type of normal hemoglobin has a fraction of total hemoglobin ranging between 2% and 3%?

    <p>HbA2 (α2 δ 2)</p> Signup and view all the answers

    What is the chain composition of Hemoglobin F (HbF)?

    <p>α2 γ2</p> Signup and view all the answers

    Which type of normal hemoglobin has the highest fraction of total hemoglobin?

    <p>HbA</p> Signup and view all the answers

    What is the chain composition of Hemoglobin A2 (HbA2)?

    <p>α2 δ2</p> Signup and view all the answers

    Which type of normal hemoglobin has a fraction of total hemoglobin ranging between 2% and 3%?

    <p>HbA2</p> Signup and view all the answers

    Which type of normal hemoglobin has a chain composition of 2 alpha chains and 2 beta chains?

    <p>HbA</p> Signup and view all the answers

    What is the primary structural difference between Hemoglobin A2 (HbA2) and Hemoglobin F (HbF)?

    <p>The presence of delta chains</p> Signup and view all the answers

    Between Hemoglobin A2 (HbA2) and Hemoglobin F (HbF), which type has a higher fraction of total hemoglobin?

    <p>HbF</p> Signup and view all the answers

    What is the chain composition of Hemoglobin A2 (HbA2)?

    <p>2 alpha and 2 delta chains</p> Signup and view all the answers

    What is the chain composition of Hemoglobin F (HbF)?

    <p>α2 δ 2</p> Signup and view all the answers

    Which type of normal hemoglobin constitutes about 90% of the total hemoglobin?

    <p>HbA</p> Signup and view all the answers

    What is the primary structural difference between Hemoglobin A2 (HbA2) and Hemoglobin F (HbF)?

    <p>Alpha chains composition</p> Signup and view all the answers

    Which type of normal hemoglobin has a fraction of total hemoglobin ranging between 2% and 3%?

    <p>HbA2</p> Signup and view all the answers

    What is the chain composition of Hemoglobin A2 (HbA2)?

    <p>α2 δ 2</p> Signup and view all the answers

    Which type of normal hemoglobin has a fraction of total hemoglobin ranging between 2% and 3%?

    <p>HbA2</p> Signup and view all the answers

    What is the primary structural difference between Hemoglobin A (HbA) and Hemoglobin F (HbF)?

    <p>Different chain composition</p> Signup and view all the answers

    Which type of normal hemoglobin has the highest fraction of total hemoglobin?

    <p>HbA</p> Signup and view all the answers

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