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Home Microbiology Immune Response Comments

  • Question
  • Overactivity of Th cells may result into


  • Options
  • A. autoimmunity
  • B. optimal antibody response
  • C. optimal cell-mediated response
  • D. none of the above

  • Correct Answer
  • autoimmunity 


  • Immune Response problems


    Search Results


    • 1. 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
    • 2. 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
    • 3. 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
    • Discuss
    • 4. Which of the following is the phylogenetically oldest immunoglobulin?

    • Options
    • A. IgE
    • B. IgM
    • C. IgG
    • D. All are similar
    • Discuss
    • 5. 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
    • 6. Immunosuppressive agent(s) is/are

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

    • Options
    • A. suppression
    • B. clonal deletion
    • C. clonal anergy
    • D. all of these
    • Discuss
    • 8. Negative phase is observed in

    • Options
    • A. secondary humoral response
    • B. primary humoral response
    • C. both (a) and (b)
    • D. none of the above
    • Discuss
    • 9. Lens antigens of the eye are

    • Options
    • A. cross-reacting antigens
    • B. sequestrated antigens
    • C. neoantigens
    • D. none of these
    • Discuss
    • 10. Which of the following is an example of autoimmune disease?

    • Options
    • A. Rheumatoid arthritis
    • B. Systemic lupus erythematosus
    • C. Polyarteritis nodosa
    • D. All of the above
    • Discuss


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