This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cell Membrane and transpo protiens, Subject name: Physiology
A herpetologist is bitten by a poisonous snake and is taken to the emergency depament with progressive muscle paralysis. The venom is probably incapacitating his 
Select and explain. 
A. Na+ channels, B. Ca2+ channels, C. Phospholipids, D. Acetylcholine receptors.
D: Acetylcholine receptors.
Answer: D: Acetylcholine receptors. 
Explanation: Snake venom usually blocks acetylcholine receptors, preventing depolarization of the muscle cell. The Na+ and Ca2+ channels are not incapacitated by snake venoms