immunity Flashcards
which of the following lymphocytes would most likely be involved in an immune response to cancer
cytotoxic T cells
the production of antibodies that bind to antigens is most accurately referred to as
humoral immunity
which of the following statements about humoral immunity is correct?
it is mounted by lymphocytes that have matured in the bone marrow
which of the following results in long-term immunity
the administration of the chicken pox vaccine
which of these cells secretes antibodies
plasma cells
humoral immunity utilizes cells that directly encounter and destroy infected body cells and cell mediated immunity utilizes plasma cells to secrete antibodies
false
defenses that are present at birth and function largely the same regardless of the identity of the invader are referred to as ____, while defenses that develop only after an encounter with a specific foreign substance are referred to as _____
innate immunity; acquired immunity
which is correct regarding acquired immunity?
acquired immunity is triggered by contact with a particular antigen
the lymphatic system involves which of the following organs?
all of these
which of the following results in long-term immunity
the administration of the chicken pox vaccine
in the inflammatory response, the absence of which of the following would prevent all the others from happening
relase of histamine
a major difference between the activation of B cells and T cells is that
T cells must interact with antigens bound to plasma membranes
which of the following is not an example of a barrier defense in animals
antibodies
Memory B cells are
cloned lymphocytes that are active in subsequent infections
what are antigens
foreign molecules that trigger the generation of antibodies