This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Medical Jurisprudence, Subject name: Forensic Medicine
[{'content': 'All are defences against medical negligence except \nSelect and explain. \nA. Calculated risk doctrine, B. Contributary negligence, C. Vicarious liability, D. Loco parentis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Defences against medical negligence Calculated risk doctrine Contributary negligence Vicarious liability Corporate negligence Products liability Medical maloccurence Therapeutic misadventures Error in judgement Res indicata Res judicata Composite negligence Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 382', 'role': 'assistant'}]