Name:  __________________________________________

ID:    xxx-xx-____


Signature:  _____________________________________
Chapters 20-21


MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question.
1)  Functions of the lymphatic system include: 
    A) transport of excess tissue fluid to the blood vascular system. 
    B) transport of red blood cells to the blood vascular system. 
    C) maintenance of blood pressure in the venous circulation. 
    D) excretion of excess dietary fat. 


2)  Antibodies that act against a particular foreign substance are released by: 
    A)  T lymphocytes. 
    B)  plasma cells. 
    C)  lymph nodes. 
    D)  medullary cords. 


3)  Select the correct statement about lymphocytes. 
    A)  The two main types are T cells and macrophages. 
    B)  B cells produce plasma cells, which secrete antibodies into the blood. 
    C)  T cells are the precursors of B cells. 
    D)  T cells are the only form of lymphocyte found in lymphoid tissue. 


4)  Which of the following is not a function of the inflammatory response? 
    A)  prevents the spread of the injurious agent to nearby tissue 
    B)  replaces injured tissues with connective tissue 
    C)  disposes of cellular debris and pathogens 
    D)  sets the stage for repair processes 


5)  The chief antibody-mediated mechanism used against cellular antigens, such as bacteria, is: 
    A)  interferon production. 
    B)  complement fixation. 
    C)  neutralization. 
    D)  agglutination.