Unit One Chapter Four 3rd SEC. Quiz 3

148 Questions | Total Attempts: 50

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Unit One Chapter Four 3rd SEC. Quiz 3 - Quiz

Immune System Mechanism in Man


Questions and Answers
  • 1. 
    The primary immune response is slow, because of the ……..
    • A. 

      Spreading of the microbe in the body tissues

    • B. 

      Decrease in the amount of antibodies

    • C. 

      Absence of the helper T-cells

    • D. 

      Absence of both memory B and T cells

  • 2. 
    The following diagram illustrates both Humoral and Cell mediated immunity. What are the numbers that correspond to the following respectively: B-lymphocyte, interleukin, macrophage, T-cytotoxic, natural killer cell and cytokine?
    • A. 

      1 – 2 – 3 – 6 – 5 – 8

    • B. 

      4 – 7 – 1 – 5 – 6 – 8

    • C. 

      4 – 8 – 1 – 6 – 5 – 7

    • D. 

      1 – 2 – 3 – 5 – 6 – 8

  • 3. 
    The molecules of the MHC are found in ………
    • A. 

      Cells with multilobed-nucleus and monocytes

    • B. 

      Plasma cells and helper T-cells

    • C. 

      Monocytes and helper T-cells

    • D. 

      Macrophages and B-lymphocytes

  • 4. 
    Antigen-MHC complex activates …….
    • A. 

      Plasma cells

    • B. 

      Helper T-cells

    • C. 

      Cytotoxic T-cells

    • D. 

      Suppressor T-cells

  • 5. 
    Which of the following immune cells/molecules are most effective at destroying intracellular pathogens? (Choose all correct answers)
    • A. 

      T helper cells

    • B. 

      B cells

    • C. 

      Antibodies

    • D. 

      Macrophages

    • E. 

      T cytotoxic cells

    • F. 

      Natural killer cells

    • G. 

      Complements

  • 6. 
    ……… protein inhibits the immune response.
    • A. 

      Perforin

    • B. 

      Lymphokines 

    • C. 

      Lymphokines

    • D. 

      Chemokines

  • 7. 
    Naturally acquired immunity would be mostly acquired through which of the following processes?
    • A. 

      Vaccination

    • B. 

      Drinking colostrum

    • C. 

      Natural health

    • D. 

      Infection with a diseased-causing microorganism followed by recovery.

  • 8. 
    Lymphatic cells that induce B-cells to produce antibodies are …..
    • A. 

      Helper-T cells

    • B. 

      Cytotoxic-T cells

    • C. 

      Suppressor-T cells

    • D. 

      Natural killer cells

  • 9. 
    …….. and ……… cells are responsible for the primary immune response.
    • A. 

      B and macrophages

    • B. 

      Macrophages and T

    • C. 

      B and T

    • D. 

      Mast and macrophages

  • 10. 
    The following graph illustrates the concentration of three types of T-cells (X), (Y) and (Z) after the entrance of pathogen into the blood of a patient. What are the three types (X), (Y) and (Z) respectively?
    • A. 

      Helper – Suppressor – Cytotoxic

    • B. 

      Cytotoxic – Helper – Suppressor

    • C. 

      Cytotoxic – Suppressor – Helper

    • D. 

      Helper – Cytotoxic – Suppressor

  • 11. 
    The immune cell that is able to respond quickly after any subsequent encounter with the same antigen is the …….
    • A. 

      Memory cell

    • B. 

      Basophil

    • C. 

      Plasma cell

    • D. 

      Helper T-cell

  • 12. 
    The transfer of antibodies for a certain disease from the blood of the mother to the circulation of the embryo is considered …….
    • A. 

      Long lasting protection acquired immunity

    • B. 

      Long lasting protection innate immunity

    • C. 

      Short lasting protection acquired immunity

    • D. 

      Short lasting protection innate immunity

  • 13. 
    ………. cells are responsible for the secondary immune response.
    • A. 

      Memory

    • B. 

      Macrophages

    • C. 

      Monocytes

    • D. 

      Plasma

  • 14. 
    Helper-T cells cannot recognize the antigens unless it is bind to …..
    • A. 

      Immune globulin

    • B. 

      MHC

    • C. 

      CD8

    • D. 

      All the above

  • 15. 
    There are …… type(s) of memory cells found in the human body.
    • A. 

      One

    • B. 

      Two

    • C. 

      Three

    • D. 

      Four

  • 16. 
    Which of the following pairs of chemical substances are antagonistic to each other?
    • A. 

      Interleukins – Cytokines

    • B. 

      Interferons – Cytokines

    • C. 

      Cytokines – Lymphokines

    • D. 

      Interleukins – Chemokines

  • 17. 
    What will happen if a red blood cell is damaged?
    • A. 

      It will be eliminated by the cytotoxic-T cells

    • B. 

      It will be picked up by mobile phagocytic cell

    • C. 

      It will be picked up by phagocytic cells in the liver

    • D. 

      Its membrane will be perforated by the action of Perforin protein

  • 18. 
    The main aim for vaccinating a healthy person with a weak microbe is the …….
    • A. 

      Activation of T-helper cells

    • B. 

      Formation of plasma B-cells

    • C. 

      Production of antibodies

    • D. 

      Formation of memory cells.

  • 19. 
    Which statement is not true?
    • A. 

      The B cell can bind to extracellular and intracellular antigens.

    • B. 

      Each B cell will have a different type of antibody receptor on its surface.

    • C. 

      Each B cell has only one type of antibody receptor that binds to one specific antigen.

    • D. 

      The B cell antigen receptor has a similar structure to a soluble antibody.

    • E. 

      The B cell antibody receptor is complementary to an antigen.

  • 20. 
    The third Line of defense includes …….
    • A. 

      Skin and Mucous membranes.

    • B. 

      Inflammatory response.

    • C. 

      Immune Response.

    • D. 

      Cerumen and Tears

  • 21. 
    Complements do not function unless in the presence of …....
    • A. 

      Cytotoxic-T cells

    • B. 

      T- suppressor cells

    • C. 

      Helper-T cells

    • D. 

      B-cells

  • 22. 
    Which of the following enable the immune system to recognize the causing agent of the disease?
    • A. 

      Interleukins

    • B. 

      Antibodies

    • C. 

      Cytokines

    • D. 

      Antigens

  • 23. 
    Among the different ways of defense carried out by the immune system is ……..
    • A. 

      Secretion of toxins

    • B. 

      Production of antibodies

    • C. 

      Camouflage

    • D. 

      Running to escape

  • 24. 
    Which cells can bind to the CD8 receptors found on the surface of T-suppressor cells?
    • A. 

      Plasma cells and carcinogenic cells

    • B. 

      T-helper, B-cells and natural killer cells

    • C. 

      Macrophage and T-cytotoxic

    • D. 

      T-helper, plasma cells and T-cytotoxic

  • 25. 
    All the following cells secrete interferon protein except …..
    • A. 

      Plasma cells

    • B. 

      T-lymphocytes

    • C. 

      Macrophages

    • D. 

      Viral infected-cells

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