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': 'A 6hours old snake bite patient comes to emergency with mild local edema at the injury site. On examination no abnormalities detected and lab repos are normal. Most appropriate management is \nSelect and explain. \nA. Incision and suction, B. Wait and watch, C. Local subcutaneous antisnake venom, D. Intravenous antisnake venom', 'role': 'user'}, {'content': 'Answer: B \nExplanation: All patients with a history of snake bite should be observed for 8-12 h after the bite, if the skin is broken and the offending snake cannot be positively identified as non-poisonous. Ref: Krishnan vij ; 5th ed; Page no: 484', 'role': 'assistant'}]