question: Q:A 61-year-old female with congestive heart failure and type 2 diabetes is brought to the emergency room by her husband because of an altered mental status. He states he normally helps her be compliant with her medications, but he had been away for several days. On physical exam, her temperature is 37.2 C, BP 85/55, and HR 130. Serum glucose is 500 mg/dL. Which of the following is the first step in the management of this patient?? 
  {'A': 'IV ½ NS', 'B': 'IV NS', 'C': 'IV D5W', 'D': 'Subcutaneous insulin injection', 'E': 'IV insulin'},