This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
[{'content': 'A foueen year old body is admitted with history of fever, icterus, conjunctival suffusion and haematuria for twenty days. Which of the following serological test can be of diagnostic utility - \nSelect and explain. \nA. Widal test, B. Microscopic Agglutination Test, C. Paul Bunnell test, D. Weil felix reaction', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Microscopic agglutination test History of fever, jaundice (icterus), bleeding diathesis (conjuctival suffusion) and renal dysfunction (hematuria) are suggestive of Weil's disease (severe Leptospirosis). A definite diagnosis of leptospirosis is based either on isolation of the organism from the patient or on seroconversion or a rise in antibody titer in microscopic agglutination test (MAT).", 'role': 'assistant'}]