Blood Bank Test 2 –
Immunology Test Bank
2026
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, Blood Bank Test 2_ Immunology Blood Bank Test 2_ Immunology.pdf 2026-03-21
protection from pathogens and foreign substances 2 major roles of the immune system:
removal of abnormal and damaged host cells
innate (natural) two branches of immune system:
acquired (adaptive)
innate (natural) inborn, nonspecific immunity, primitive immune system, less complicated
acquired (adaptive) developed and relies on the formation of specific antigen-antibody complexes;
acquired either actively or passively
physical barriers (skin, mucous membrane, and cough innate immunity consists of:
reflex)
biochemical barriers (bactericidal enzymes)
phagocytic cells
complement system
actively acquired immunity in this type of immunity, antigen is introduced into the body of the antibody is
formed
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