This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fluid & Electrolyte, Subject name: Medicine
[{'content': 'The most common electrolyte abnormality found in patients with normal anion gap metabolic acidosis is \nSelect and explain. \nA. Hyperchloremia., B. Hypochloremia., C. Hyperkalemia., D. Hypokalemia.', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A. Hyperchloremia.In a normal anion gaps metabolic acidosis there is by definition a rise in the serum chloride equivalent to the fall in the serum bicarbonate such that the anion gap (Na-Cl-HCO3 ) remains unchanged.', 'role': 'assistant'}]