This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genetics, Subject name: Pathology
[{'content': "HLA B5I is associated with - \nSelect and explain. \nA. Behcet's disease, B. Chrug strauss syndrome, C. Microscopic polyangitis, D. Polyarteritis nodosa", 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Behcet's disease Behcet's diseaseo Behcet disease is a small- to medium-vessel neutrophilic vasculitis that classically presents as a clinical triad of recurrent oral aphthous ulcers, genital ulcers, and uveitis,o There can also be gastrointestinal and pulmonary manifestations, with disease mortality related to severe neurologic involvement or rupture of vascular aneurysms. There is an association with certain HLA haplotypes (HLA- B51, in particular)", 'role': 'assistant'}]