Froggy Jumps Immunology Essentials QuizOnline version Immunology basics by Retty 1 Anti-globulin test is also called: a Coombs test b RIA c ELISA 2 Precipitation reaction occurs when antigen is: a Soluble b Particulate c Membrane bound 3 Which antibody is first produced during infection? a IgG b IgA c IgM 4 The specific part of an antigen recognized by antibodies is: a Epitope b Paratope c Adjuvant 5 Which cells are primarily responsible for humoral immunity? a T cells b B cells c NK cells 6 Which immunity type is fast and non-specific: innate or adaptive? a Innate b Passive c Adaptive 7 Which cell type is central to cell-mediated immunity? a B lymphocytes b Neutrophils c T lymphocytes 8 Which organ is primary for T cell maturation? a Bone marrow b Thymus c Spleen 9 Which antibody class is most abundant in blood circulation? a IgM b IgA c IgG 10 What is the functional part of an antibody that binds antigen? a Fab region b Fc region c Constant region 11 Which term describes a small molecule that needs a carrier to be antigenic? a Hapten b Adjuvant c Epitope 12 Which complement pathway is antibody-dependent activation of complement? a Alternative pathway b Classical pathway c Lectin pathway 13 What assay uses precipitation to detect antigen–antibody reaction? a Precipitin assay b Immunochromatography c Agglutination assay 14 Which immunoglobulin is predominant in mucosal secretions? a IgM b IgA c IgG 15 Which interaction leads to clumping of cells in vitro? a Flocculation b Agglutination c Precipitation 16 What term describes antibodies produced by a single clone? a Monoclonal antibodies b Polyclonal antibodies c Autoantibodies 17 Precipitin assays are mainly used to determine: a Blood group b Species Origin c Vaccine efficiency 18 Which immunity develops after infection or vaccination? a Innate b Adaptive c Natural 19 Monoclonal antibodies are produced from: a Hybridoma cell line b Multiple B cells c Plasma mixture 20 IgA is mainly found in: a Tears and saliva b Blood plasma c Skin
