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': 'Commonest histological nding in benign hypertension is \nSelect and explain. \nA. Proliferating endarteritis, B. Necrotising arterioiitis, C. Hyaline arteriosclerosis, D. Cystic medial necrosis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Characteristic vascular pathology of benign hypertension is hyaline arteriosclerosis.\nVascular pathology in Hypertension Hypertension is associated with two forms of small blood vessels disease -\n1. Hyaline arterioiosclerosis\n\nThere is homogenous, pink, hyaline thickening of arteriolar wall.\nThe lumen becomes narrow, o It is characterisc of benign hypertension,\nIt may also occur in diabetes and aging.\n\n2. Hyperplastic arteriosclerosis\n\nIt is characteristic of malignant hypertension.\nThere is concentrenc, laminated thickening of arteriolar wall → onion skinning,\nThere is mucinous intimal thickening and fibrous intimal thickening.\nThere may be accompanied fibrinoid deposits with necrosis of the vessels w ral! → fibrinoid necrosis.', 'role': 'assistant'}]