This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
[{'content': 'Auto antibody in Sjogrens syndrome is? \nSelect and explain. \nA. Anti centromere antibody, B. Anti Ro & anti La, C. Anti ds DNA, D. Anti RNP', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Robbins basic pathology 9th edition page no 131,(green box=Pathogenesis) Most patients with primary sjogren syndrome have auto antibodies to the ribo-nucleoprotien (RNP) antigensSS-A(RO) and SS-B(la).', 'role': 'assistant'}]