Biomed 100 Practice Quiz
Chapter 14, Spring 2008
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  1. In an adult, the organs with the greatest concentrations of lymphocytes are
    1. lymph nodes, liver, and spleen
    2. lymph nodes, tonsils, and spleen
    3. lymph nodes, liver, and pancreas
    4. lymph nodes, pancreas and gall bladder

  2. Which one of the following is not normally released from bone marrow?
    1. undifferentiated ("immature") lymphocytes
    2. mature (differentiated) B cells
    3. mature (differentiated) T cells

  3. Lymphocytes are smaller than
    1. viruses
    2. bacteria
    3. cancer cells
    4. all of the above

  4. Which cells have the greatest capacity to "attack" a target cell and destroy its membrane?
    1. plasma cells
    2. B cells
    3. T cells
    4. all of the above have equal capacity to "attack" a target cell and destroy its membrane

  5. Given the following key:
    1 = exposure to antigen
    2 = secretion (release) of antibodies
    3 = formation (by mitosis) of a B cell clone
    What is the correct sequence in the function of B cells?
    1. 1-2-3
    2. 1-3-2
    3. 2-1-3
    4. 2-3-1
    5. 3-1-2

  6. Antibodies are a primary means of defense against
    1. B cells
    2. T cells
    3. larger antigens such as cancer cells and virus-infected cells
    4. smaller antigens such as viruses in body fluids or bacteria in body fluids

  7. In the following hypothetical scenario:
    April 2008 - child is clinically immunized against a virus
    April 2012 - child is exposed to "real" virus but is able to "fight it off" without any illness

    What enabled the child to "fight off" the virus in 2012?
    1. "T cells" that were produced in 2012
    2. "plasma cells" that were produced in 2008
    3. "memory cells" that were produced in 2008
    4. "plasma cells" that were produced in 2012
    5. "memory cells" that were produced in 2012