This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Poisoning, Subject name: Forensic Medicine
[{'content': 'Gastric lavage is contraindicated in all the following poisonings except \nSelect and explain. \nA. Phenol, B. Kerosene, C. Nitric acid, D. Sulphuric acid', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Contraindications of Gastric Lavage: - The only absolute contraindication is corrosive poisoning (except carbolic acid), owing to the danger of perforation. Gastric lavage can be done with proper precautions. * Convulsant poisons * Comatose patients * Volatile poisons, which may be inhaled. * Oesophageal varices. * In patients with marked hypothermia, and haemorrhagic diathesis Ref:- Essentials of Forensic medicine Dr KS narayana Reddy 33th Edition; Pg num:- 516', 'role': 'assistant'}]