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': 'Atheromatous changes of blood vessels affects early in - \nSelect and explain. \nA. Kidney, B. Liver, C. Heart, D. Spleen', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Sites of Atherosclerosis \n\nAtherosclerotic plaques develop primarily in elastic arteries (e.g., aorta, carotid and iliac arteries), and large & medium sized muscular arteries (e.g., coronary artery and poplitial arteries).\nIn descending order, the vessels most commonly involved are -\n\n\nAbdominal aorta (most common)\xa0→\xa0Causing aneurysm\nCoronary arteries (heart)\xa0→\xa0Causing MI\nPopliteal arteries\xa0→\xa0Causing ischemic gangrene of lower limbs.\nInternal carotid arteries\xa0→\xa0Causing stroke\nCircle of willis\xa0→ Causing stroke\n\n\nVessels usually spared are\nVessels of upper extremities\nMesentric and renal vessels, except at their', 'role': 'assistant'}]