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
Drug of choice for absence seizures is 
Select and explain. 
A. Valproate, B. Phenytoin, C. Diazepam, D. Ethosuximide
A: Valproate
Answer: A: Valproate 
Explanation: Ethosuximide and valproate are equally efficacious, but the latter i:more commonly used because it would als, prevent kindling and emergence of GTCS Valproate is clearly superior in mixed absence and GTCS, which is more common than pure absence seizures. REF KD TRIPATHI 8TH ED.