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: Physiology
All the following are more in CSF compared to plasma except 
Select and explain. 
A. Mg++, B. Cl-, C. HCO3-, D. Glucose
D: Glucose
Answer: D: Glucose 
Explanation: Same in CSF and plasma
-        Osmolarity, Sodium concentration
More is CSF than plasma
-        Cl-, Mg+2, HCO3-, PCO2, creatinine
Less in CSF than plasma
-        K+, Ca++, pH, protein, glucose, inorganic phosphate, urea, uric acid and cholesterol