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: Ophthalmology
Aqueous  humour contains the following to levels higher than that of plasma except 
Select and explain. 
A. Lactate, B. Ascorbate, C. Proteins, D. Pyruvate
C: Proteins
Answer: C: Proteins 
Explanation: Proteins levels of aqueous humour is lower than that of plasma.Rest have higher level in aqueous humour than plasma.