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
Alpha Bungarotoxin acts at: 
Select and explain. 
A. Ach synthesis, B. Ach receptors, C. Ach secretion, D. Acetylcholine release
B: Ach receptors
Answer: B: Ach receptors 
Explanation: Ach receptors