This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Corrosive Poisons, Subject name: Forensic Medicine
[{'content': 'Gastric lavage is contraindicated in poisoning by - \nSelect and explain. \nA. Kerosene, B. Morphine, C. Barbiturates, D. Cyanide', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans is 'a' ie., Kerosene o Gastric lavage is contraindicated in poisoning by pure petroleum distillate eg kerosene, turpentine,o Gastric lavage is indicated for: 1) camphorated hydrocarbons b) halogenated hydrocarbons eg organochlorides, methyl chloride, fluorocarbons 3) aromatic hydrocarbons eg benzene, toluene, xylene, aniline,o Contraindication for gastric lavage:Absolute: alkalis, mineral acids, vegetable acids, organic acids except carbolic acidRelative: kerosene or volatile poisons, convulsant poisons except strychinine, hypothermia, bleeding disorder.", 'role': 'assistant'}]