This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Basic Concepts, Subject name: Pathology
[{'content': 'In a specimen of kidney, fibrinoid necrosis is seen and onion peel appearance is also present. Most probable pathology is: \nSelect and explain. \nA. Hyaline degeneration, B. Hyperplastic aeriosclerosis, C. Glomerulosclerosis, D. Fibrillary glomerulonephritis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Histological alterations characterizing blood vessels in malignant hypeension. ? Hyperplastic aeriosclerosis Fibrinoid necrosis of aerioles: Onion-skinning (concentrically arranged smooth muscle with collagen).', 'role': 'assistant'}]