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
All of the following are used for treatment of hyperkalemia except - 
Select and explain. 
A. Calcium gluconate, B. Sodium bicarbonate, C. Intravenous infusion of glucose with insulin, D. Beta blockers
D: Beta blockers
Answer: D: Beta blockers 
Explanation: None