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': 'What presentation is most likely to accompany this angiographic finding? \nSelect and explain. \nA. Binocular visual loss, B. Hemineglect, C. Paratonic rigidity, D. Urinary incontinence', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer A. Binocular visual lossThe patient developed vertigo and binocular visual loss during cardiac catheterization. Cerebral angiography revealed total occlusion of the distal basilar artery consistent with cardioembolic stroke. All neurological abnormalities resolved following selective intraarterial thrombolysis.', 'role': 'assistant'}]