This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Glaucoma, Subject name: Ophthalmology
[{'content': 'Which of the following is found more in aqueous humor than in plasma: \nSelect and explain. \nA. Protein, B. Urea, C. Lactate, D. Glucose', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Lactate is found more in aqueous humor than in blood. Concentration More in Aqueous Humor More in Plasma Lactate Protein Ascorbate Urea Pyruvate Glucose', 'role': 'assistant'}]