This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diabetes Mellitus, Subject name: Medicine
[{'content': 'Which type of Insulin is used to manage a case of Diabetic ketoacidosis? \nSelect and explain. \nA. Regular, B. Lispro, C. Glargine, D. Aspa', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Drug of choice for DKA - IV/ SC regular insulin IV NS 5L/ 24 hours Bed time Insulin - Glargine IV Insulin - 1. Acute Hyperkalemia 2. DKA 3. Hyperosmolar coma SC Insulin - DMI', 'role': 'assistant'}]