This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Forensic Medicine
[{'content': 'The body of a kidnap victim was brought to you for autopsy. Apa from a few bruises near the mouth and the face there were no obvious external injuries. The toxicology tests confirmed the presence of chloroform in the blood. What is the fatal blood levels of chloroform? \nSelect and explain. \nA. 10 mg%, B. 20 mg%, C. 30 mg%, D. 40 mg %', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The fatal concentrations of some anaesthetic agents are given below: a) Chloroform - 40 - 60 mg% b) Halothane - 20 mg% c) Divinyl ether - 50 mg% d) Ethyl chloride - 40 mg% e) Trichloroethylene - 50 mg% f) Di ethyl ether - 180 mg% Ref: Textbook of Forensic Medicine and Toxicology by Narayan Reddy, Edition 21, Page - 267', 'role': 'assistant'}]