Public flashcard deck · 30 cards

Immunology 2023 Final - Answers

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1. Front

   Which of the following sentences is NOT TRUE?
   Back

   live attenuated vaccines can be safely used in immunodeficient individuals
2. Front

   Hapten binding to skin-derived self-proteins induces:
   Back

   contact hypersensitivity (contact dermatitis)
3. Front

   Plasma cell differs from B cell in its ability to:
   Back

   secrete immunoglobulins extracellularly
4. Front

   Which of antibody functions is NOT mediated by its Fc portion?
   Back

   antigen binding with relevant affinity
5. Front

   ADCC response of NK cells against virus-infected cell is induced by:
   Back

   IgG specifically bound to capside protein on plasma membrane of target cell
6. Front

   Pathogen-associated molecular patterns (PAMPs):
   Back

   are found on many microorganisms
7. Front

   Rosetting formation assay allows us to recognize:
   Back

   human T lymphocytes
8. Front

   All of the following cells are considered cells that eliminate microbes, EXCEPT:
   Back

   dendritic cells
9. Front

   Antigen Presenting cells (APCs) are characterized by:
   Back

   expression of MHC class II
10. Front

    Receptor-dependent killing by cytotoxic lymphocytes involve interaction of:
    Back

    FasL-Fas, TNF-TNFR
11. Front

    Which isotype is predominant in the early phase of primary immune response?
    Back

    IgM
12. Front

    Which of the following cells is NOT a type of macrophage?
    Back

    basophil
13. Front

    IgD:
    Back

    is present mainly as a surface receptor on B cells
14. Front

    Which class of immunoglobulins is produced by B1 lymphocytes?
    Back

    IgM
15. Front

    The following statements regarding periodontitis are true, EXCEPT?
    Back

    gingivitis and periodontitis is the same
16. Front

    An example of a privileged immunological site is the:
    Back

    testis
17. Front

    Which of the following activities are most closely associated with NK cells?
    Back

    lysis of virus-infected cells
18. Front

    Serum sickness, a hypersensitivity disease is considered as:
    Back

    immune-complex-mediated hypersensitivity reaction
19. Front

    The early phase (first six hours) of acute inflammation is associated with?
    Back

    neutrophil extravasation
20. Front

    Secondary cytotoxic response of CD8+ T cells is activated by specific recognition of antigen presented by:
    Back

    MHC class I-expressing somatic cell
21. Front

    NK cells share the same mechanisms of cytotoxicity with:
    Back

    CD8+ cytotoxic T cells
22. Front

    IgE antibody:
    Back

    binds strongly to mast cells
23. Front

    BCG vaccine is used to protect against:
    Back

    tuberculosis
24. Front

    mRNA vaccines against SARS-Cov-2:
    Back

    stimulate immune response against virus S protein
25. Front

    Secretory IgA protects external mucosal surface by:
    Back

    preventing microbial adherence to the mucosa
26. Front

    The first dilution of serum (in a 2-fold dilution series) that did NOT produce a positive reaction was 1:32 for a tested serum in hemaglutination assay. The antibody titer for the tested serum is:
    Back

    16
27. Front

    In the process of inflammation, the vasodilation is the result of:
    Back

    mast cell degranulation
28. Front

    Which antibodies can be transferred across the placenta?
    Back

    IgG
29. Front

    The crucial process of the central phase of primary humoral response leads to:
    Back

    plasma cell differentiation
30. Front

    Which test is based on agglutination reaction?
    Back

    all answers are correct