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: Surgery
[{'content': 'Mangled Extremity severity score includes all of the following except \nSelect and explain. \nA. Shock, B. Ischemia, C. Neurogenic injury, D. Energy of injury', 'role': 'user'}, {'content': 'Answer: C \nExplanation: MESS contains Energy of Impact, Limb ischaemia, shock, Age (ELISA is a mess)', 'role': 'assistant'}]