This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Toxicology - 3, Subject name: Forensic Medicine
[{'content': 'Lead poisoning is characterized by \nSelect and explain. \nA. Diarrhea, B. Sensory neuropathy, C. Lead lines on nails, D. Encephalopathy', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Plumbism Features ABCDEFGHI A - Anaemia B - Buonian line/Basophilic stippling, Bone lines C - Colic, Constipation (dry belly ache) D - Drop (wrist/Foot drop) - Lead palsy E - Encephalopathy F - Facial pallor (earliest sign) G - Gout (saturnine gout) H - Hypeension I - Impotence', 'role': 'assistant'}]