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Human Biology: The Immune System Flashcards

Review of Chapter 24 of "Campbell Biology: Concepts and Connections" for Dr. Wojita's Human Biology class at OSU Marion

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847891517This is a protein made by T cytotoxic cells that puts holes in the membrane of a pathogen, lysing (or destroying) it.Perforin1
847891518This immune cell is the "quarterback" of the immune system.T helper cells2
847891519When B cells become activated by encountering a specific antigen they become activated and form these cells that produce antibodies at a rate of 2,000 per second.Plasma cells3
847891520When B cells become activated by encountering a specific antigen they become activated and form these cells that can last decades or a lifetime.Memory cells4
847891521The strongest, fastest immune response.Secondary response5
847891522This response is the same no matter what the antigen or pathogen.General or Innate Response6
847891523T lymphocytes mature hereThymus7
847891524This is a term for something, like pollen or peanuts or shellfish, that triggers the immune response, though it is usually harmless to the Non-sensitive individual.Antigen8
847891525Can the binding alone of antibody to antigen possibly inactivate the antigen?Yes, although there are many other ways also9
847891526Inflammation is a general, non-specific defense by the body to rid itself of a pathogen: True or False?True10
849154671General, innate, non-specific immunityA general defense against non self, i.e.: macrophages. These defenses are the same no matter if the pathogen has been encountered before or not. Innate defenses include the skin and mucus membranes that protect organ systems exposed to the outside.11
849154672Specific immunityInvolves the body attacking nonself agents Is the bodies second line of defense Is activated when the innate defenses do not work.12
849154673The structure of B lymphocytes with 100,000 antibodies on its surface and what happens when one of its antibodies meets the specific antigen in the tissue or a lymph nodeIt becomes activated, and clones and multiplies producing millions of plasma cells that produce specific antibodies against the antigen and memory cells also for the specific antigen13
849154674How vaccines workInject a weakened or dead version of the virus or pathogen so immune system can build memory cells against it.14
849154675An antigenA foreign, (nonself) molecule that elicits an adaptive immune response15
849154676An allergenAn antigen that causes an allergy16
849154677An allergyA disorder of the immune system caused by an abnormally high sensitivity to an antigen. Symptoms are triggered by histomines released from mast cells.17
849203928Clonal selectionThe production of a lineage of genetically identical cells that recognize and attack the specific antigen that stimulated their proliferation. The mechanism that underlies the immune system's specificity and memory of antigens.18
849203929Natural killer cellsA cell type that provides an innate immune response by attacking cancer cells and infected body cells, especially those harboring viruses.19
849203930The two types of cells formed once a B cell is activated by an encounter with a specific antigenAntibody-producing plasma cells Memory cells20
849225343These organelles are numerous in phagocytic cells like macrophages and neutrophils. They contain an acidic environment and hydrolytic enzymes for destruction and removal.Lysosomes21

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