This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Postmoem techniques, Subject name: Forensic Medicine
[{'content': 'The shown instrument is used for the dissection of:- \nSelect and explain. \nA. Femur, B. Liver, C. Spinal cord, D. Brain', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Rachiotomy saw used in the dissection of spinal cord. * The spinal cord can be removed from an anterior or posterior approach and usually removed separately from the brain. * If there is no indication, the spinal cord need not be exposed.', 'role': 'assistant'}]