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
In malignant HTN, seen is - 
Select and explain. 
A. Hyalinised aerioles, B. Replacement by necrotizing aeriolitis, C. Calcification, D. All
B: Replacement by necrotizing aeriolitis
Answer: B: Replacement by necrotizing aeriolitis 
Explanation: 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.