This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Medicine
[{'content': 'Predisposing factors for coronary aery disease include, all Except: \nSelect and explain. \nA. Homocysteinemia, B. | Lipoprotein B, C. | Fibrinogen, D. | plasminogen activator inhibitors 1', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Predisposing factors for coronary aery disease include an increased lipoprotein &;a&; and not lipoprotein &;6&;. REF: Harrison book of internal medicine 21ST EDITION', 'role': 'assistant'}]