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': 'Most common cause of death in primary amyloidosis is?- \nSelect and explain. \nA. Respiratory failure, B. Cardiac failure, C. Renal failure, D. Septicemia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Reference :Robbins basic pathology 9th edition pg no 158: Cardiac arrythmias are an impoant cause of death in Cardiac amyloidosis.in one large series 40% of the patients with AL amyloid died of cardiac disease', 'role': 'assistant'}]