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: Pharmacology
Ethosuximide is used in treatment of ? 
Select and explain. 
A. Tonic cloinc seizure, B. Absence seizure, C. Myoclonic seizure, D. Simple paial seizure
B: Absence seizure
Answer: B: Absence seizure 
Explanation: Ans. is 'b' i.e., Absence seizure