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': 'Alpha Bungarotoxin acts at: \nSelect and explain. \nA. Ach synthesis, B. Ach receptors, C. Ach secretion, D. Acetylcholine release', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ach receptors', 'role': 'assistant'}]