This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of carbohydrate, Subject name: Biochemistry
[{'content': 'During starvation, Brian utilizes \nSelect and explain. \nA. Glycogen, B. Fattey acids, C. Ketone bodies, D. None', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Brain and starvation: During starvation, a significant pa (60-70%) of the energy requirement of the brain is then met by ketone bodies (Fig. 8.1) Brain and acetoacetate: The brain is unable to utilize fatty acids as a source of fuel since the fatty acids complexed to albumin are unable to traverse the blood-brain barrier. But, the brain can effectively utilize acetoacetate. This is again a survival technique in diabetic and starvation ketosis.Ref: DM Vasudevan, 7th edition, page no: 100', 'role': 'assistant'}]