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
The transmission of which of the following neurotransmitters is blocked in strychnine  poisoning 
Select and explain. 
A. GABA, B. Glycine, C. Glutamate, D. Ach
B: Glycine
Answer: B: Glycine 
Explanation: Glycine is a inhibitory neurotransmitter and strychnine competitively antagonizes Glycine.