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': 'In malignant HTN, seen is - \nSelect and explain. \nA. Hyalinised aerioles, B. Replacement by necrotizing aeriolitis, C. Calcification, D. All', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Replacement by necrotizing aeriolitis The changes described above were in small vessels (aerioles). Besides these, hypeension also causes - o Atherosclerosis in large aeries. o Degenerative changes in the walls of large and medium aeries that potentiate both aoic dissection and cerebrovascular hemorrhage.", 'role': 'assistant'}]