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 the following are indicated in management of acute hyperkalemia except 
Select and explain. 
A. IV Calcium gluconate, B. IV Glucose and Insulin, C. β2 agonist inhalation, D. Sodium polystyrene sulfonate
D: Sodium polystyrene sulfonate
Answer: D: Sodium polystyrene sulfonate 
Explanation: Sps is a Cation - exchange resin not indicated in acute hyperkalemia.