Which of the following is a feature of absence seizure: (A) Associated with post - ictal confusion, (B) Seizure precipitated by hyperventilation, (C) EEG shows 4-5 / sec spike and wave pattern, (D) During seizure, automatism present
Answer is B. Absence Seizures:
Age: school going children
During seizure, blank staring episodes seen 
No post ictal confusion
EEG: 3 / sec spike and wave pattern
Drug of choice: Sodium Valproate.