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
Predisposing factors for coronary aery disease include, all Except: 
Select and explain. 
A. Homocysteinemia, B. | Lipoprotein B, C. | Fibrinogen, D. | plasminogen activator inhibitors 1
B: | Lipoprotein B
Answer: B: | Lipoprotein B 
Explanation: Predisposing factors for coronary aery disease include an increased lipoprotein &;a&; and not lipoprotein &;6&;. REF: Harrison book of internal medicine 21ST EDITION