<prompt> Rose waaler test is?Passive agglutination for rheumatoid ahiritisActive agglutination for rheumatoid ahiritisPassive agglutination for rheumatic feverActive agglutination for rheumatic fever  <response>: WAALER-ROSE Bicolor is a haemagglutination slide test for the rapid qualitative and semi-quantitative detection of IgM Rheumatoid Factor in sera from most patients with rheumatoid ahritis. Ref: Ananthanarayana panikers 9th edition 