This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
In type I DM true about- 
Select and explain. 
A. 90%femilyH/O, B. Antibodies aganist b cells, C. Insulin given to RxDKA, D. D.K.A occurence
B: Antibodies aganist b cells
Answer: B: Antibodies aganist b cells 
Explanation: Risk factors include having a family member with the condition.The underlying mechanism involves an autoimmunedestruction of the insulin-producing beta cells in the pancreas] Diabetes is diagnosed by testing the level of sugar or glycated hemoglobin (HbA1C) in the blood. Type 1 diabetes can be distinguished from type 2 by testing for the presence of autoantibodies There is no known way to prevent type 1 diabetes. Treatment with insulin is required for survival.