This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: general microbiology, Subject name: Microbiology
[{'content': 'Wasserman test is? \nSelect and explain. \nA. Agglutination test, B. Precipitation test, C. Neutralisation test, D. Complement fixation test', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The Wassermann test or Wassermann reaction (WR) is an antibody test for syphilis, named after the bacteriologist August Paul von Wassermann, based on complement fixation. It was the first blood test for syphilis and the first in the nontreponemal test (NTT) category. Newer NTTs, such as the RPR and VDRL tests, have mostly replaced it. Ref: Ananthanarayana & panikers 9th edition', 'role': 'assistant'}]