This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
[{'content': 'In hypersmolar hyperglycemic non ketotic coma the blood glucose level is around - \nSelect and explain. \nA. 55mmol\\/l, B. 20mmol\\/l, C. 80mmol\\/l, D. 5mmol\\/l', 'role': 'user'}, {'content': "Answer: A \nExplanation: The laboratory features in HHS are marked hyperglycemia (plasma glucose may be >55.5 mmol/L ), hyperosmolality (>350 mosmol/L), and prerenal azotemia. In contrast to DKA, acidosis and ketonemia are absent or mild. Reference : page 2420 Harrison's Principles of Internal Medicine 19th edition", 'role': 'assistant'}]