During surgery for aortic arch aneurysm under deep hypothermic circulatory arrest which of the following anaesthetic agent administered prior to circulatory arrest that also provides cerebral protection?

(B) Thiopental Sodium # Uses of Thiopentone Sodium:> Induction of anaesthesia;> Maintenance of anaesthesia for short procedures;> Basal narcosis by rectal administration;> Treatment of status epilepticus;> Reduction of intracranial pressure;> Fordiagnostic operative neurological procedures.