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: Medicine
[{'content': 'Transtentorial herniation causes all except \nSelect and explain. \nA. Neck stiffness, B. Post cerebral aery infarct, C. Contralateral hemeiparesis, D. 3rd Nerve palsy with contralateral pupillary dilatation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer- A. Neck stiffnessTranstentorial herniation is the displacement of medial temporal lobe into the tentorial opening it is usually seen after extradural hemorrhage.Compression of optic nerve : Ipsilateral pupil dilation', 'role': 'assistant'}]