This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Brainstem lesions and blood supply of CNS, Subject name: Anatomy
[{'content': 'Visceral efferent column arises from which plate of neural tube \nSelect and explain. \nA. alar, B. basal, C. roof, D. floor', 'role': 'user'}, {'content': 'Answer: B \nExplanation: anterior basal plate(motor/efferent pathway) gives anterior horn cells - controls skeletal muscles gives lateral horn cells - controls cardiac and smooth muscles posterior alar plate(sensory/afferent pathway) gives posterior horn cells- spinothalamic tract (pain & temperature)', 'role': 'assistant'}]