This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2017, Subject name: Forensic Medicine
[{'content': 'Gastric lavage is allowed in which corrosive poisoning? \nSelect and explain. \nA. Paint thinner ingestion, B. Lysol ingestion, C. Crude toilet disinfectant ingestion, D. Battery acid ingestion', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Gastric lavage is contraindicated in corrosives except phenol and lysol in which gastric lavage can be done because they thicken the membrane and maintain leathery consistency. Gastric lavage is absolutely contraindicated in following condition Corrosive (except phenol & lysol) Convulsant patient Comatose patient Kerosene poisoning', 'role': 'assistant'}]