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': 'Which of the following statements concerning the lateral horn of the spinal cord is true \nSelect and explain. \nA. It contains postganglionic parasympathetic neurons, B. . It gives rise to preganglionic sympathetic fibers, C. It gives rise to a spinothalamic tract, D. It is present at all spinal cord levels', 'role': 'user'}, {'content': 'Answer: B \nExplanation: It gives rise to preganglionic sympathetic fibers Lateral horns carry the autonomic neurons Posterior horns have sensory & anterior horns have motor neurons.', 'role': 'assistant'}]