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: Medicine
[{'content': 'Two most important tests to be done in a comatose patient with blood glucose of 750 mg/dl will be -a) Sr. creatinineb) Sr. sodiumc) Blood pHd) Blood urea \nSelect and explain. \nA. b, B. c, C. ad, D. ab', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]