This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hospital waste and disaster management, Occupational health, Subject name: Social & Preventive Medicine
[{'content': 'Most common mode of lead poisoning- \nSelect and explain. \nA. Ingestion, B. Dermally, C. Inhalation, D. Through conjunctiva', 'role': 'user'}, {'content': "Answer: C \nExplanation: Mode.of absorption of lead is by inhalation, ingestion and through skin.Most cases of industrial lead poisoning is due to inhalation of fumes and dust of lead or its compounds.(Ref.PARK'S textbook of preventive and social medicine 21st edition page no.748)", 'role': 'assistant'}]