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': 'Two most impoant tests to be done in a comatose patient with blood glucose of 750 mg/dl will be - \nSelect and explain. \nA. Sr. creatinine, B. Sr. sodium, C. CSF examination, D. Blood pH', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Comatose patients with blood glucose level of 750 mg/dl suggests the possibility of hyperglycemic hyperosmolar state . Lab abnormality in this is marked hyperglycemia, hyperosmolarity, prerenal azotemia. Comatose patients with hyperglycemia is also seen in diabetic ketoacidosis. Thus blood ph ( to detect acidosis) and serum creatinine for azotemia are most impoant investigations.', 'role': 'assistant'}]