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
Cause of death in diabetic ketoacidosis in children 
Select and explain. 
A. Cerebral edema, B. Hypokalemia, C. Infection, D. Acidosis
A: Cerebral edema
Answer: A: Cerebral edema 
Explanation: Ans. is 'a' i.e., Cerebral edema High blood sugar will cross the blood brain barrier and simultaneously will draw water inside leading to cerebral edema. Cerebral edema accounts for 60-90% of all DKA related deaths in children. Infection is a precipitator for development of DKA. Other precipitating factor can be tissue ischemia, inadequate insulin administration, drugs (cocaine) and pregnancy.