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: Medicine
Risk factors for coronary aery disease (CAD) 
Select and explain. 
A. High HDL, B. Low LDL, C. Increased homocysteine levels, D. Decreased fibrinogen levels
C: Increased homocysteine levels
Answer: C: Increased homocysteine levels 
Explanation: Answer is C Increased homocysteine levels Increased homocysteine levels and increased lipoprotein (a) levels are risk factors for cornonary aery disease Increased risk of coronary aery disease is also associated with: High LDL (not low LDL) Low HDL (not high HDL) Increased Fibrinogen levels (not decreased fibrinogen levels)