This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Blood Vessels, Subject name: Pathology
[{'content': 'In atherosclerosis, increased LDL in monocyte macrophage due to: \nSelect and explain. \nA. LDL receptors on macrophage, B. LDL receptors on endothelium, C. Lipids in LDL get oxidized, D. All of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) Lipids in LDL get oxidized(Ref: Robbins 9th/pg 496; 8th/pg 500)With chronic hyperlipidemia, lipoproteins accumulate within the intima, there they aggregate and become oxidized by free radicals produced by inflammatory cells.', 'role': 'assistant'}]