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
Poorly controlled diabetes with blood sugar of 450 mg% is associated with: 
Select and explain. 
A. Hyponatremia, B. Hypernatremia, C. Hypokalemia, D. Hypomagnesemia
A: Hyponatremia
Answer: A: Hyponatremia 
Explanation: Ans. is 'a' i.e., Hyponatremia