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 clinical presentation would be expected in this patient? \nSelect and explain. \nA. Asymmetrical mydriasis, B. Ataxic hemiparesis, C. Hypothermia, D. Quadriplegia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Answer D. Quadriplegia The most common presentation of a pontine hemorrhage is quadriplegia. Small, reactive pupils are characteristic of pontine hemorrhages. Hemiparesis would be expected if the hemorrhage were asymmetrical. Hypothermia is unusual. Upward gaze palsy occurs with midbrain involvement.', 'role': 'assistant'}]