Final Exam - Chapter 21

60 Questions | Total Attempts: 59

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Final Exam Quizzes & Trivia

Questions and Answers
  • 1. 
    The only lymphatic organ with both afferent and efferent lymphatic vessels is
    • A. 

      The spleen

    • B. 

      A lymph node

    • C. 

      A tonsil

    • D. 

      A Peyer patch

    • E. 

      The thymus

  • 2. 
    Which of the following cells are involved in nonspecific resistance but not in specific defense?
    • A. 

      Helper T cells

    • B. 

      Cytotoxic T cells

    • C. 

      Natural killer cells

    • D. 

      B cells

    • E. 

      Plasma cells

  • 3. 
    The respiratory burst is used by ______ to kill bacteria
    • A. 

      Neutrophils

    • B. 

      Basophils

    • C. 

      Mast cells

    • D. 

      NK cells

    • E. 

      Cytotoxic T cells

  • 4. 
    Which of these is a macrophage?
    • A. 

      A microglial cell

    • B. 

      A plasma cell

    • C. 

      A reticular cell

    • D. 

      A helper T cell

    • E. 

      A mast cell

  • 5. 
    The cytolytic action of the complement system is most similar to the action of
    • A. 

      Interleukin-1

    • B. 

      Platelet-derived growth factor

    • C. 

      Granzymes

    • D. 

      Perforin

    • E. 

      IgE

  • 6. 
    _______ become antigenic by binding to larger host molecules.
    • A. 

      Epitopes

    • B. 

      Haptens

    • C. 

      Interleukins

    • D. 

      Pyrogens

    • E. 

      Cell-adhesion molecules

  • 7. 
    Which of the following correctly states the order of events in humoral immunity?  Let 1 = antigen display. 2=antibody secretion. 3=secretion of interleukin. 4=clonal selection, and 5=endocytosis of an antigen.
    • A. 

      3-4-1-5-2

    • B. 

      5-3-1-2-4

    • C. 

      3-5-1-4-2

    • D. 

      5-3-1-4-2

    • E. 

      5-1-3-4-2

  • 8. 
    The cardinal signs of inflammation include all of the following except
    • A. 

      Redness

    • B. 

      Swelling

    • C. 

      Heat

    • D. 

      Fever

    • E. 

      Pain

  • 9. 
    A helper T cell can bind only to another cell that has
    • A. 

      MHC-II proteins

    • B. 

      An epitope

    • C. 

      An antigen-binding site

    • D. 

      A complement-binding site

    • E. 

      A CD4 protein

  • 10. 
    Which of the following results from a lack of self-tolereance?
    • A. 

      SCID

    • B. 

      AIDS

    • C. 

      Systemic lupus erythematosus

    • D. 

      Anaphylaxis

    • E. 

      Asthma

  • 11. 
    Some bacteria employ lysozyme to liquefy the tissue gel and make it easier for them to get around
    • A. 

      True

    • B. 

      False

  • 12. 
    T lymphocytes undergo clonal deletion and anergy in the Thymus
    • A. 

      True

    • B. 

      False

  • 13. 
    Interferons help to reduce inflammation
    • A. 

      True

    • B. 

      False

  • 14. 
    T lymphocytes are involved only in cell-mediated immunity
    • A. 

      True

    • B. 

      False

  • 15. 
    The white pulp of the spleen gets its color mainly from lymphocytes and macrophages.
    • A. 

      True

    • B. 

      False

  • 16. 
    Perforins are employed in both nonspecific resistance and cellular immunity.
    • A. 

      True

    • B. 

      False

  • 17. 
    Histamine and heparin are secreted by basophils and mast cells
    • A. 

      True

    • B. 

      False

  • 18. 
    A person who is HIV-positive and has a TH (CD4) count of 1,000 cells/mL does not have AIDS.
    • A. 

      True

    • B. 

      False

  • 19. 
    Anergy is often a cause of autoimmune diseases.
    • A. 

      True

    • B. 

      False

  • 20. 
    Interferons kill pathogenic bacteria by making holes in their cell walls.
    • A. 

      True

    • B. 

      False

  • 21. 
    Micturition occurs when the _______ contracts.
    • A. 

      Detrusor muscle

    • B. 

      Internal urethral sphincter

    • C. 

      External urethral sphincter

    • D. 

      Muscularis of the ureter

    • E. 

      All of the above

  • 22. 
    The compact ball of capillaries in a nephron is called
    • A. 

      The nephron loop

    • B. 

      The peritubular plexus

    • C. 

      The renal corpuscle

    • D. 

      The glomerulus

    • E. 

      The vasa recta

  • 23. 
    Which of these is the most abudant nitrogenous waste in the blood?
    • A. 

      Uric acid

    • B. 

      Urea

    • C. 

      Ammonia

    • D. 

      Creatinine

    • E. 

      Albumin

  • 24. 
    Which of these lies closest to the renal cortex?
    • A. 

      The parietal peritoneum

    • B. 

      The renal fascia

    • C. 

      The fibrous capsule

    • D. 

      The perirenal fat capsule

    • E. 

      The renal pelvis

  • 25. 
    Most sodium is reabsorbed from the glomerular filtrate by
    • A. 

      The vasa recta

    • B. 

      The proximal convoluted tubule

    • C. 

      The distal convoluted tubule

    • D. 

      The nephron loop

    • E. 

      The collecting duct

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