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: Surgery
[{'content': 'Kernohan notch phenomenon is seen with: \nSelect and explain. \nA. Uncal herniation, B. Subfalcine herniation, C. Cerebellar herniation, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Kernohan notch phenomenon is usually caused by subdural hematomas. It is characterized by motor palsy on ipsilateral side of primary lesion.\ni.e lesion on right side of brain results in right sided motor palsy due to indentation over left cerebral peduncle becuase of uncal or lateral transtentorial herniation.', 'role': 'assistant'}]