Immunology 5.0 / 5 based on 1 rating ? BiologyHealth, illness and diseaseASAQA Created by: HannahCavielCreated on: 21-02-17 11:25 what are antigens? molecules that generate an immune response 1 of 28 what is a pathogen? an organism that causes disease 2 of 28 what type of antigens generate an immune response? foreign 3 of 28 what is a pathogen enclosed in when it enters a phagocyte? a phagocytic vacuole 4 of 28 what does a lysozyme release during phagocytosis digestive enzymes 5 of 28 what is the function of a cytotoxic T cell? kills abnormal and foreign cells 6 of 28 what is the function of a helper T cell activate and stimulate phagocytes and cytotoxic T cells 7 of 28 what are monoclonal antibodies? cells that are identical to B cells and secrete large amounts of antibodies specific to an antigen 8 of 28 an antibody has two binding sites, true or false? true 9 of 28 the specificity of an antibody depends on its.... variable region 10 of 28 what bond forms between the heavy chains in an antigen? Disulfide Bridges 11 of 28 why do antibodies coat pathogens? to make it easier for phagocytes to engulf them 12 of 28 when does the secondary response occur when the same pathogen infects the body 13 of 28 what do memory t cells do remember a specific antigen and recognise it the second time round 14 of 28 what do memory B cells do? record the specific antibodies needed to bind to the specific antigen 15 of 28 what do the cells in the cell mediated response differentiate into? Killer t cells, memory cells, suppresor t cells, helper t cells 16 of 28 what types of cells are produced from the humoral response? Plasma cells, Memory cells 17 of 28 what line of defence are T lymphocytes and B lymphocytes? Third 18 of 28 how is HIV spread? bodily fluids 19 of 28 why are antibiotics ineefective against viruses? they are not living 20 of 28 what type of cell does HIV infect? Helper T cells 21 of 28 what is the second line of defence inflammation 22 of 28 what weaknesses are there in the second line of defence? cannot remember past infections 23 of 28 when does full blown AIDS occur? when b cells are not activated and antibodies aren't produced 24 of 28 what are the disease which are caused from AIDS called? opportunistic diseases 25 of 28 what are ELISA tests used for? diagnosing prostate cancer 26 of 28 what is passive immunity?` when a person is given antibodies 27 of 28 what is active immunity when the immune system responds to an antigen by producing antibodies specific to the antigen 28 of 28
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