This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Medicine
[{'content': 'All are symptoms of lacunar infarct except \nSelect and explain. \nA. Pure sensory type seen, B. Unilateral ataxia, C. Dysahria-hand clumsiness, D. Transient loss of consciousness', 'role': 'user'}, {'content': 'Answer: D \nExplanation: *Clinical manifestations include pure motor hemiparesis, pure sensory stroke, ataxic hemiparesis and dysahria and a clumsy hand. Lacunar infarcts are small infarcts (2-20 mm in diameter) in the deep cerebral white matter, basal ganglia, or pons, presumed to result from the occlusion of a single small perforating aery supplying the subcoical areas of the brain. Ref Harrison20th edition pg 2345', 'role': 'assistant'}]