This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fluid & Electrolyte, Subject name: Medicine
Best immediate management of hyperkalemia includes all except? 
Select and explain. 
A. Calcium gluconate, B. Insulin drip, C. Salbutamol nebulization, D. MgSO4
D: MgSO4
Answer: D: MgSO4 
Explanation: Ans. D. MgSO4 * Calcium gluconate will antagonize the depressive effects of potassium on cardiac myocytes.* Insulin drip and salbutamol nebulization will reduce actual serum levels of potassium by sending potassium inside the cells* Magnesium sulfate has no role in management of hyperkalemia