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chapt. 20
immune system
26
Anatomy
11th Grade
05/02/2011

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Cards

Term
non specific immunity
Definition
type of immune mechanism that provides a general defense by acting against anything recognized as "not self" is called
Term
T cells
Definition
which of the following is not a type of cell involved in a nonspecific immunity?

Natural killer cells
T cells
Neutrophils
Macrophages
Term
cell mediated immunity
Definition
all of the following represent examples of nonspecific immunity except
phagocytosis
mechanical and chemical barriers
cell mediated immunity
species resistance
Term
skin
Definition
what is the body's first line of defense
Term
true
Definition
true or false
many of the inflammation mediators act as chemotactic factors
Term
true or false
Definition
natural killer cells are a group of neutrophils that kill many types of tumor cells and cells infected by different kinds of viruses
Term
false
Definition
interferon mainly interferes with the ability of bacteria to produce disease
Term
antibody mediated immunity
Definition
what are b cell mechanisms classified as
Term
variable region
Definition
the part of the antibody that combines with the antigen is the?
Term
active artificial immunity
Definition
type of immunity produced by vaccination
Term
false
Definition
true or false
t cell immune mechanisms are classified as antibody - mediated immunity
Term
true
Definition
antigens are macromolecules that induce the immune system to make certain reponses
Term
false
Definition
all antigens have the same shaped epitopes
Term
true
Definition
True or False
antibodies differ from antigens in that all antibodies are native molecules, normally present in the body.
Term
true
Definition
true or false
an antibody consists of two heavy and two light polypeptide chains
Term
false
Definition
true or false
an antibody has one antigen - binding site
Term
true
Definition
true or false
antibody mediated immunity, or humoral immunity, occurs within the plasma
Term
false
Definition
true or false
unlike b cells, t cells do not display antigen receptors on their surface membranes
Term
true
Definition
true or false
inherited immunity and acquired immunity are forms of specific immunity
Term
false
Definition
passive immunity generally lasts longer than active immunity
Term
IgG
Definition
the antibody normally constituting the highest percentage of antibodies in the blood
Term
IgD
Definition
antibody with unknown precise function
Term
IgA
Definition
ANTIBODY COMMONLY FOUND IN TEARS AND SALIVA
Term
IgE
Definition
The antibody associated with allergic reactions
Term
IgM
Definition
antibody of primary response
Term
IgA
Definition
predominant antibody of a secondary response
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