Public flashcard deck · 25 cards

Immunology 2020 Final Questions - Answers

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1. Front

   ANTIBODIES:
   Back

   Aid T lymphocytes in antigen recognition
2. Front

   Secretory IgA protects external mucosal surface by:
   Back

   Preventing microbial adherence to the mucosa
3. Front

   The secondary immune response is characterized by:
   Back

   Presence of memory cells
4. Front

   Which of the following cytokines mediate release of acute phase proteins from the liver:
   Back

   IL-1and IL-6
5. Front

   Which type of hypersensitivity reaction is represented by contact dermatitis:
   Back

   Delayed type
6. Front

   Microbes can evade the host immune response by:
   Back

   All are correct
7. Front

   Suppression of th2 cells by th1 cells known as immune deviation may be mediated by:
   Back

   IL-2 AND IFN-GAMMA
8. Front

   T cell receptor recognizes:
   Back

   Linear antigen peptide in the MHC groove
9. Front

   Self tolerance is mediated with a following mechanisms except:
   Back

   Immunodeviation
10. Front

    In the type III allergic reaction (immune complexes) the first cells to appear at the site of reaction are:
    Back

    Neutrophils
11. Front

    Which of the following statements best describes the differences between recognition of antigen by t and b cells:
    Back

    T cells recognize foreign peptides in the context of self MHC molecules, while B cells recognize soluble antigens
12. Front

    The major advantage of “killed” over “ live attenuated” viral vaccines include:
    Back

    Vaccine can be given to immune deficient patients
13. Front

    Phagocytosis of bacteria is accelerated by:
    Back

    Opsonization of bacteria with IgG
14. Front

    Immunological unresponsiveness to self-antigens is called:
    Back

    Tolerance
15. Front

    Which cells are responsible for delayed type of hypersensitivity?
    Back

    Th1 cells and macrophages
16. Front

    B-lymphocytes mature in the human body in the
    Back

    Bone marrow
17. Front

    Which of the following is the best diagnostic test in evaluation of level of antibodies against bacteria in patient serum:
    Back

    ELISA
18. Front

    Antibody titer refers to:
    Back

    Highest dilution of antibodies still able to give a positive result in a test system.
19. Front

    Th2-type immune response is not characterized by;
    Back

    Cytotoxic effect on the target cell
20. Front

    Virally infected cells can be killed directly by:
    Back

    NK cells
21. Front

    IgE antibodies:
    Back

    Binds strongly to mast cells
22. Front

    Immunologic memory is based in which of the following
    Back

    Expanded population of antigen-specific lymphocytes
23. Front

    Humoral response to t dependent antigens Is characterized by:
    Back

    Induction of memory cells
24. Front

    Intracellular pathogens
    Back

    Activated CD8+ t cells
25. Front

    Acute inflammatory response is characterized by:
    Back

    All answers are correct