This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Medicine
[{'content': 'All of the following is less in CSF when compared to plasma Except \nSelect and explain. \nA. Glucose, B. Protein, C. Calcium, D. Chloride', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Plasma chloride level is 96-106meq/LCSF chloride level is 116-122meq/LReference: Harrison&;s Principles of Internal Medicine; 19th edition; Appendix; Laboratory values of clinical impoance', 'role': 'assistant'}]