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: Anaesthesia
Thiopentone has cerbroprotective effect because of – 
Select and explain. 
A. Decrease cerebral metabolism, B. Reduction of vasospasm, C. Calcium channel blockage, D. Free redical removal
A: Decrease cerebral metabolism
Answer: A: Decrease cerebral metabolism 
Explanation: Thiopentone may be used as a cerebroprotective agent as it consistently reduces the cerebral metabolic rate (cerebral oxygen consumption).