This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'The physiological impoant anion other than chloride is: \nSelect and explain. \nA. Nitrate, B. Phosphate, C. Bicarbonate, D. Sulphate', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ionic distribution(mEq/L) of ions in plasma is: Cl- :111 HCO3- : 26.2 PO43- :1 Proteins:17.2 Ref: textbook of physiology(page no:30) Volume 1 AK Jain 7th edition', 'role': 'assistant'}]