This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Muscle relaxants, Subject name: Anaesthesia
Muscle relaxant with ganglion blocker action is 
Select and explain. 
A. Pancuronium, B. Trimethoprim, C. Curare, D. Halothane
C: Curare
Answer: C: Curare 
Explanation: Curare is an example of a non-depolarizing muscle relaxant that blocks the nicotinic acetylcholine receptor (nAChR), one of the two types of acetylcholine (ACh) receptors, at the neuromuscular junction