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': 'In hemodialysis associated amyloidosis, which of the following is seen- \nSelect and explain. \nA. Transthyretin, B. B2 microglobulin, C. a2 microglobulin, D. SAA', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Robbins basic pathology 9th edition page no 155,green box. Beta 2-Microglobulin, a component of MH class1 molecules and a normal serum protien has been identified as the amyloid fibril subunit in amyloidosis that complicates the course of patients on long term hemodialysis.', 'role': 'assistant'}]