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: Pathology
[{'content': 'Hemodialysis-associated with amyloid pattern - \nSelect and explain. \nA. A A, B. Beta - 2- macroglobulin, C. ATTR, D. AL', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Hemodialysis associated amyloidosis : -\n\nPatients on long-term hemodialysis for renal failure develop amyloidosis owing to deposition of β3-\xa0microglobulin.\nIn patients with renal failure, β2 - microglobulin is present in high concentration, but it cannot be filtered\xa0through the dialysis membranes and is retained in circulation,\nHemodialysis-associated amyloid deposits in the synovium, joints, and tendon sheaths.', 'role': 'assistant'}]