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Home Microbiology Antibody Comments

  • Question
  • The secretary component of sIgA is


  • Options
  • A. made by plasma cells that secrete dimeric IgA
  • B. added to dimeric IgA by the M cell
  • C. formed by cleavage of an epithelial cell receptor used to transport the dimeric IgA across the epithelial cell
  • D. made by T cells

  • Correct Answer
  • formed by cleavage of an epithelial cell receptor used to transport the dimeric IgA across the epithelial cell 


  • Antibody problems


    Search Results


    • 1. Which of the following is the phylogenetically oldest immunoglobulin?

    • Options
    • A. IgE
    • B. IgM
    • C. IgG
    • D. All are similar
    • Discuss
    • 2. Simulation of which of the following will lead to appearance of first antibody to appear following stimulation by an antigen?

    • Options
    • A. IgM
    • B. IgA
    • C. IgE
    • D. IgG
    • Discuss
    • 3. Anti-Rh antibodies are

    • Options
    • A. IgG type
    • B. IgA type
    • C. IgE type
    • D. IgD type
    • Discuss
    • 4. The class of immunoglobulin, most abundant in body is

    • Options
    • A. IgD
    • B. IgE
    • C. IgG
    • D. IgM
    • Discuss
    • 5. Which of the following mediates Type I hypersensitivity reaction?

    • Options
    • A. IgE
    • B. IgG
    • C. IgM
    • D. IgD
    • Discuss
    • 6. In which of the following cell mediated immunity (CMI) participates?

    • Options
    • A. Delayed hypersensitivity reaction
    • B. Graft versus host reaction
    • C. Allograft rejection
    • D. All of the above
    • Discuss
    • 7. Which of the following lymphokine(s) is secreted by delayed-type-hypersensitivity cells?

    • Options
    • A. Macrophage stimulating factor
    • B. Migration inhibiting factor
    • C. Macrophage activating factor
    • D. All of the above
    • Discuss
    • 8. Overactivity of Th cells may result into

    • Options
    • A. autoimmunity
    • B. optimal antibody response
    • C. optimal cell-mediated response
    • D. none of the above
    • Discuss
    • 9. Immunosuppressive agent(s) is/are

    • Options
    • A. Cyclosporine
    • B. Methotrexate
    • C. Anti-lymphocytic serum
    • D. All of these
    • Discuss
    • 10. Induction of tolerance mechanism(s) is/are

    • Options
    • A. suppression
    • B. clonal deletion
    • C. clonal anergy
    • D. all of these
    • Discuss


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