This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fluids and Electrolyte Imbalance, Subject name: Medicine
All are used for management of hyperkalemia except? 
Select and explain. 
A. Calcium gluconate, B. Insulin plus dextrose, C. Beta 2 antagonist, D. Dialysis
C: Beta 2 antagonist
Answer: C: Beta 2 antagonist 
Explanation: Management of Hyperkalemia IV calcium gluconate/ chloride Insulin lowers plasma K+ concentration by shifting K+ into cells. Beta 2 agonists, most commonly albuterol are effective IV bicarbonate has no role in the routine treatment of hyperkalemia. Removal of potassium by using cation exchange resins, diuretics and dialysis. Sodium polystyrene sulfonate (SPS) exchanges Na+ for K+ in the gastrointestinal tract and increases the fecal excretion of K+.