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: Social & Preventive Medicine
[{'content': 'Lead toxicity prinicipally affects which type of neuron: \nSelect and explain. \nA. Sensory, B. Motor, C. Both of the above, D. None of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: In the peripheral nervous system, the motor axons are the principal target of lead toxicity. Ref :', 'role': 'assistant'}]