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
Lead toxicity prinicipally affects which type of neuron: 
Select and explain. 
A. Sensory, B. Motor, C. Both of the above, D. None of the above
B: Motor
Answer: B: Motor 
Explanation: In the peripheral nervous system, the motor axons are the principal target of lead toxicity. Ref :