Anaesthesia Primary mechanism responsible for cerebral protection effect of thiopentone is A GABA action, calcium channel block and free radicle removal B Increased cerebral blood flow C Decreased (lowered) cerebn metabolism D Reduces cerebral 02 demand by limiting CBF 💡 Explanation Primary mechanism responsible for cerebral protection effect of thiopentone is ✓ Correct Answer: C. Decreased (lowered) cerebn metabolism