This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Asphyxial deaths, Subject name: Forensic Medicine
[{'content': 'Spanish windlass technique is a \nSelect and explain. \nA. Neck compression with a ligature tightened by twisting the rod, B. Neck compression with stick, C. Neck compression with forearm, D. Neck compression with hands', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Spanish windlass technique Strangulation is caused by compression of the neck by a ligature which is quickly tightened by twisting it with a lever (rod, stick or ruler) It results in sudden loss of consciousness and collapse Form of garroting Q***', 'role': 'assistant'}]