This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Toxicology - 1, Subject name: Forensic Medicine
[{'content': 'The ratio between ethyl alcohol in blood and Vitreous humor is \nSelect and explain. \nA. 01:01.1, B. 01:01.2, C. 01:01.3, D. 01:01.8', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ratio of blood alcohol with different body fluids Whole blood :1.00 Plasma or serum: 1.12 to 1.2 Brain: 0.85 Spinal fluid: 1.1 Vitreous: 1.2 Urine: 1.3 Liver: 0.85 Alveolar air: 0.0021', 'role': 'assistant'}]