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process of being protected against foreign antigens - Answers-immunity
aka immunoglobins, these are specific glycoproteins found in serum or plasma produced by B-lymphs
when body detects harmful substances called antigens - Answers-antibodies
aka immunogens, these large molecules found on surface of cells, viruses, fungi, bacteria, pollen,
chemicals, foreign particles causing body to produce antibodies against it; can be formed in the body
with bacterial toxins or tissue cells - Answers-antigens
portions or fragments of an antigen that REACT with antibodies and lymph receptors - Answers-epitope
very small molecules that can bind to a larger carrier molecule and behave as an antigen - Answers-
hapten
molecule that when coupled with a hapten, renders the hapten immunogenic - Answers-carrier
main function is to recognize microbes as being either self or nonself - Answers-immune system
defense, homeostasis, surveillance - Answers-3 functions of immune system
first line of defense, natural (innate) immunity, acquired (adaptive) immunity - Answers-3 types of
immune response
defense mechanism that body uses immediately after exposure to a microbe; it is non-specific and
nonadaptive - Answers-natural immunity
components include phagocytic cells along with mast cells, neutros and macrophages - Answers-cellular
component
components include complement proteins, lysozymes, interferons - Answers-humoral components
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, IMMUNOLOGY (TEST 1) Immune System
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proteins that produce inflammatory effects and destroy cells when activated - Answers-complement
proteins
enzyme secreted by macrophages that attack cell walls of some bacteria - Answers-lysozymes
proteins produced by many cells in response to viral infections to BLOCK replication of virus in other
cells - Answers-interferons
immunity that becomes operational when natural immunity is overwhelmed; it is antigen-specific -
Answers-adaptive immunity (acquired)
results in production of antibodies to combat non-self antigens - Answers-humoral response
involves activation of specific lymphocytic cells to combat non-self antigens - Answers-cell-mediated
reponse
intitial response for removal of microbes; innate or immunity we are born with; nonantigen specific;
nonadaptive; includes mast cells, neutros, macrophages; humoral components include complement
proteins, lysozymes and interferons - Answers-natural immunity
secondary defense mechanism; acquired thru life; antigen specific; adaptive; cellular components
include antigen presenting cells, macrophages, T-lymphs, B-lymphs; humoral components include
antibodies, cytokines - Answers-adaptive immunity
includes bone marrow where T-lymphs and B-lymphs are produced and the thymus found near trachea
where stem cells develop into T-cells - Answers-primary lymphoid organs
include mucosa-associated lymphoid tissue (MALT), lymph nodes, and spleen - Answers-secondary
lymphoid organs and tissues
composed of small concentrations of lymphoid tissue and provide 1st line of defense against orally
ingested pathogens - Answers-MALT (mucosa-associated lymphoid tissue)
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