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': 'Postmoem studies of a man shows onion skin thickening of aeriolar wall which is characteristic of: \nSelect and explain. \nA. Atherosclerosis, B. Medial calcific sclerosis, C. Hyaline aeriosclerosis, D. Hyperplastic aeriosclerosis', 'role': 'user'}, {'content': "Answer: D \nExplanation: Hyperplastic aeriosclerosis occurs in severe (malignant hypeension); vessels exhibit 'onion-skin lesions', characterized by concentric, laminated thickening of the walls and luminal narrowing. The laminations consist of smooth muscle cells with thickened, reduplicated basement membranes; in malignant hypeension they are accompanied by fibrinoid deposits and vessel wall necrosis (necrotizing aeriolitis), paicularly in kidney. Ref: Robbins & Cotran Pathologic Basis of Disease, By Vinay Kumar, Abul K. Abbas, Nelson Fausto, Jon C. Aster, 2009, Chapter 11.", 'role': 'assistant'}]