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 absorbed by inhalation in the body is mainly eliminated through: \nSelect and explain. \nA. Stool, B. Urine, C. Sweat, D. None of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: On the other hand, the lead absorbed by the body and incorporated into the blood stream is eliminated by urine (75%), gastrointestinal secretions through the liver (16%) and hairs, nails and sweat (8%). Suckling women may also eliminate lead through their milk in a concentration very similar to the plasma. Ref :', 'role': 'assistant'}]