This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology Pa 2 ( Hybridoma Technology, Complement Pathways, Interferon, Structure and Functions of Immune Cells ), Subject name: Microbiology
[{'content': 'Rose-Waaler test is a? \nSelect and explain. \nA. Co-agglutination test, B. Latex agglutination test, C. Slide agglutination test, D. Haemagglutination test', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Rose-Waaler test is a passive haemagglutination test. It is done in rheumatoid ahritis. Autoantibody (RA factor) in the serum acts as antibody to gamma globulin. RA factor can agglutinate red cells coated with globulins.', 'role': 'assistant'}]