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: Pathology
[{'content': 'Foam cells in atherosclerosis contain lipid in the form of ? \nSelect and explain. \nA. Oxidized LDL, B. Reduced LDL, C. Oxidized VLDL, D. Reduced VLDI', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Oxidized LDLMorphology of atherosclerotic plaque There are three major components of an atherosclerotic plaques :-i) Cells : Smooth muscle cell and macrophages are the major cells with some contribution from foam cells (lipid-laden macrophages), and lymphocytes. Advanced atherosclerotic plaque may lack smooth muscles as smooth muscle cells undergo apoptosis.ii) Extracellular matrix : Collagen, elastic fibers, proteoglycans.iii) Lipids : Both intracellular and extracellular, with cholesterol and cholesterol ester being the major lipids.", 'role': 'assistant'}]