Micro Ch 16 Final

31 Questions | Total Attempts: 53

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Chemistry Quizzes & Trivia

FINAL PREP


Questions and Answers
  • 1. 
    All of the following are characteristic components of nonspecific host defenses EXCEPT
    • A. 

      Fever

    • B. 

      Antibodies

  • 2. 
    Which of the following is NOT a chemical barrier
    • A. 

      Mucous membrane

    • B. 

      Complement protein

  • 3. 
    Blood consists partly of formed elements which include all of the following EXCEPT
    • A. 

      Red blood cells

    • B. 

      Plasma

  • 4. 
    A granulocyte that releases the inflammatory agent histamine
    • A. 

      Eosinophil

    • B. 

      Basophil

  • 5. 
    Histiocytes,kupffer cells and osteoclasts are members of which of the following types of cells
    • A. 

      Microglial cells

    • B. 

      Fixed macrophages

  • 6. 
    A multilobed lymphatic organ that functions to process lymphocytes and release them into the blood as T-cells is
    • A. 

      Tonsil

    • B. 

      Thymus gland

  • 7. 
    Heat,pain,redness and swelling are symptoms of
    • A. 

      Phagocytosis

    • B. 

      Inflammation

  • 8. 
    What chemical substance diffuses into venules and capillaries causing their vasodilation during inflammation
    • A. 

      Bradykinn

    • B. 

      Histamine

  • 9. 
    During inflammation permeable capillary walls allow accumulation of fluids near injured cells causing which of the following
    • A. 

      Calor

    • B. 

      Edema

  • 10. 
    What consists of tissue debris remains of digested microorganisms,injured cells and dead phagocytes
    • A. 

      Pus

    • B. 

      Plasma

  • 11. 
    The process whereby immune cells leave the blood by passing between the endothelial cells that line blood vessels is known as
    • A. 

      Leukocytosis

    • B. 

      Diapedesis

  • 12. 
    A protein that interferes with the ability of a virus to replicate inside a host cell
    • A. 

      Streptolysin

    • B. 

      Interferon

  • 13. 
    The classical pathway of complement activation involves which of the following proteins?
    • A. 

      C1, C4, and C2

    • B. 

      C3 only

  • 14. 
    Complement activation results all of the following physological processes EXCEPT
    • A. 

      Opsonization

    • B. 

      Fever

  • 15. 
    Specific defenses function against any infectious agent while nonspecific defenses respond to particular infectious agents
    • A. 

      True

    • B. 

      False

  • 16. 
    Phagocytes and interferon are physical barriers of nonspecific defenses
    • A. 

      True

    • B. 

      False

  • 17. 
    Neutrophils are phagocytic leukocytes that contain oxidative chemicals to kill internalized microorganisms
    • A. 

      True

    • B. 

      False

  • 18. 
    Granulocytes include basophils,neutrophils,and eosinophils
    • A. 

      True

    • B. 

      False

  • 19. 
    Lymphocytes and monocytes are considered agranulocytes because they contain granules in their cytoplasm
    • A. 

      True

    • B. 

      False

  • 20. 
    Mast cells and basophils both release histamine
    • A. 

      True

    • B. 

      False

  • 21. 
    The acid fast cell wall of mycobacterium contributes to this organism's ability to resist the lysosomal activity of phagocytic cells
    • A. 

      True

    • B. 

      False

  • 22. 
    In humans T-cells and B-cells constitute the vast majority of lymphocytes
    • A. 

      True

    • B. 

      False

  • 23. 
    The complement system consist of over 20 proteins that function in  cascade like manner.
    • A. 

      True

    • B. 

      False

  • 24. 
    Complement activation results in the onset of fever
    • A. 

      True

    • B. 

      False

  • 25. 
    ------- defenses respond to particular infectious agensts called antigens
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