This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Medicine
[{'content': 'In benign hypeension commonest vascular pathology is \nSelect and explain. \nA. Atherosclerosis, B. Fatty mfilitraion of intima, C. Fibmoid necrosis, D. Hyaline aeriosclerosis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: In smaller aeries (< 1 mm), hyaline aeriosclerosis occurs in the wall, the lumen narrows and aneurysms may develop. Widespread atheroma develops and may lead to coronary and cerebrovascular disease, paicularly if other risk factors (e.g. smoking,diabetes, hyperlipidaemia,) are present.These structural changes in the vasculature often perpetuate and aggravate hypeension by increasing peripheral vascular resistance and reducing renal blood flow, thereby activating the renin-angiotensin-aldosterone axis. ref:davidson&;s principles and practices medicine,ed 21,pg no 624', 'role': 'assistant'}]