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: Physiology
[{'content': 'Brown - sequard syndrome - \nSelect and explain. \nA. Pain loss in the opposite side of lesion, B. Fine touch lost in opposite side of lesion, C. UMN paralysis in opposite side of lesion, D. LMN paralysis in opposite side of lesion', 'role': 'user'}, {'content': 'Answer: A \nExplanation: In Brown sequard syndrome, a hemisection of the spinal cord results in\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0Sensory\n\nLoss of Ipsilateral dorsal column sensations- Proprioception, vibration, fine touch, Kinesthesia.\u200b\nLoss of contralateral lateral column sensations- Pain, temperature\n\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0Motor\n\n\xa0Loss of ipsilateral corticospinal action- results in UMNL- Weakness, spasticity, Extensor plantar response.', 'role': 'assistant'}]