Froggy Jumps Antigen Antibody reactionsVersión en línea Antigen Antibody reactions por Mona Gadallah 1 Process of aggregation or clumping of erythrocytes by a virus is called......... a Hemagglutination b Precipitation c Neuteralization 2 Two antibodies one of them is labelled by fluorochrome is used in...... a Direct immunofluorescence b Indirect immunofluorescence c Direct ELISA 3 Example of an enzyme used in ELISA test is ......... a peroxidase b catalase c coagulase 4 ABO blood grouping is an example of ........ a Direct agglutination b latex agglutination c Indirect agglutination 5 Rheumatoid factor latex test is an example of......... a Direct agglutination b haemagglutination c Passive agglutination 6 For detecting anti RH antibodies in the pregnant mother blood we use............... a Direct Coombs test b Indirect Coombs test c Direct ELISA test 7 the diameter of the ring in single radial immunodiffusion is....................... with the concentration of the antibodies in the serum. a Proportionate b Incomparable c Adverse 8 Tube agglution test is ....................... a Qualitative b Semiquantitative c Quantitative 9 Single radial immunodiffusion test is ....................... a Qualitative b Semiquanitative c Quantitative 10 Tests that measure that amount of immune complexes in vitro are................. a Primary binding tests b Secondary binding tests c Tertiary binding tests