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: Pharmacology
Most important step in management of diabetic ketoacidosis is administration of: 
Select and explain. 
A. Insulin, B. Intravenous fluids (saline), C. Soda-bicarbonate, D. Potassium
B: Intravenous fluids (saline)
Answer: B: Intravenous fluids (saline) 
Explanation: None