This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pharmacology
AMPA receptor blockers 
Select and explain. 
A. Phenobarbitone, B. Topiramate, C. Lamotrigine(LPT), D. All the above
D: All the above
Answer: D: All the above 
Explanation: From this picture- 4th group drugs -it is clear that AMPA receptors are blocked by all the 3 drugs.AMPA is a type of glutamate receptors.