Pernicious Anemia Quiz
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Questions and Answers

Which type of anemia is caused by the inability to absorb vitamin B12 needed for the body to make enough healthy red blood cells?

  • Sickle cell anemia
  • Aplastic anemia
  • Pernicious anemia (correct)
  • Iron-deficiency anemia

    • What is the role of intrinsic factor (IF) in the absorption of vitamin B12?

  • It binds with vitamin B12 in the stomach (correct)
  • It transports vitamin B12 to the small intestine
  • It produces red blood cells
  • It causes spasticity in the muscles

    • Which symptoms are associated with Pernicious anemia?

  • Skin rash and hair loss
  • Weakness and headaches (correct)
  • Vision problems and hearing loss
  • Joint pain and fever

    • What are the risk factors associated with Pernicious anemia?

    <p>Blood type AB and human leukocyte antigen (HLA) type B7</p> Signup and view all the answers

    What is the main mechanism by which the body absorbs vitamin B12?

    <p>Through the small intestine with the help of intrinsic factor</p> Signup and view all the answers

    Which autoimmune disease is characterized by low red blood cells and vitamin B12 deficiency?

    <p>Pernicious anemia</p> Signup and view all the answers

    What are the clinical symptoms associated with Pernicious anemia?

    <p>Memory loss and unsteady gait</p> Signup and view all the answers

    What type of protein is required for the absorption of vitamin B12?

    <p>Intrinsic factor (IF)</p> Signup and view all the answers

    Which human leukocyte antigen (HLA) types are associated with the risk of Pernicious anemia?

    <p>A2, A3, B7</p> Signup and view all the answers

    What is the cause of the inability to absorb vitamin B12 in Pernicious anemia?

    <p>Lack of intrinsic factor (IF)</p> Signup and view all the answers

    What is the primary role of intrinsic factor (IF) in the absorption of vitamin B12?

    <p>Binds to vitamin B12 and aids its absorption in the small intestine</p> Signup and view all the answers

    Which specific symptoms are associated with Pernicious anemia?

    <p>Unsteady gait, stiffness in muscles, and numbness in arms and legs</p> Signup and view all the answers

    What are the risk factors associated with Pernicious anemia?

    <p>HLA types A2, A3, and B7; and blood type A</p> Signup and view all the answers

    Which type of anemia is caused by the inability to absorb vitamin B12 needed for the body to make enough healthy red blood cells?

    <p>Pernicious anemia</p> Signup and view all the answers

    What is the mechanism by which the body absorbs vitamin B12?

    <p>Binding to intrinsic factor in the small intestine for absorption</p> Signup and view all the answers

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