Understanding Medical-Surgical Nursing:
Immune System Function and Disorders
UPDATED ACTUAL Questions and CORRECT
Answers
What is immunity? The ability to destroy pathogens or foreign
material and prevent infectious disease.
What are the two mechanisms of Cell-mediated immunity and humoral immunity.
immunity?
What is the role of lymphoid organs They produce lymphocytes and other white
in the immune system? blood cells, and help in the destruction of
foreign antigens.
, What are antigens? Chemical markers that identify cells; foreign cell
antigens are recognized as foreign and
destroyed.
What types of lymphocytes are Natural killer (NK) cells, T cells, and B cells.
there?
What is the function of natural killer They patrol the body and destroy a variety of
(NK) cells? foreign cells, including tumors and infected cells.
Where do T cells mature? In the thymus.
What is the role of B cells in the They differentiate into plasma cells that produce
immune response? antibodies specific to foreign antigens.
What are antibodies? Immunoglobulins produced by plasma cells in
response to foreign antigens.
What are the five classes of human IgG, IgA, IgM, IgD, IgE.
antibodies?
What is cell-mediated immunity? Involves T cells recognizing foreign antigens and
executing a direct attack.
What is humoral immunity? Involves B cells producing antibodies that label
antigens for destruction.
What happens during the first Stimulates small amounts of antibody production.
exposure to a foreign antigen?
What occurs during a second Memory cells produce large amounts of
exposure to an antigen? antibodies.
What is the function of memory T They remember specific foreign antigens for
cells? faster response upon re-exposure.
Immune System Function and Disorders
UPDATED ACTUAL Questions and CORRECT
Answers
What is immunity? The ability to destroy pathogens or foreign
material and prevent infectious disease.
What are the two mechanisms of Cell-mediated immunity and humoral immunity.
immunity?
What is the role of lymphoid organs They produce lymphocytes and other white
in the immune system? blood cells, and help in the destruction of
foreign antigens.
, What are antigens? Chemical markers that identify cells; foreign cell
antigens are recognized as foreign and
destroyed.
What types of lymphocytes are Natural killer (NK) cells, T cells, and B cells.
there?
What is the function of natural killer They patrol the body and destroy a variety of
(NK) cells? foreign cells, including tumors and infected cells.
Where do T cells mature? In the thymus.
What is the role of B cells in the They differentiate into plasma cells that produce
immune response? antibodies specific to foreign antigens.
What are antibodies? Immunoglobulins produced by plasma cells in
response to foreign antigens.
What are the five classes of human IgG, IgA, IgM, IgD, IgE.
antibodies?
What is cell-mediated immunity? Involves T cells recognizing foreign antigens and
executing a direct attack.
What is humoral immunity? Involves B cells producing antibodies that label
antigens for destruction.
What happens during the first Stimulates small amounts of antibody production.
exposure to a foreign antigen?
What occurs during a second Memory cells produce large amounts of
exposure to an antigen? antibodies.
What is the function of memory T They remember specific foreign antigens for
cells? faster response upon re-exposure.
