This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Electrolyte Imbalance, Subject name: Medicine
Intravenous potassium chloride should be given? 
Select and explain. 
A. Bolus in peripheral line, B. Diluted in saline, C. Diluted in 5% Dextrose, D. Bolus in central line
B: Diluted in saline
Answer: B: Diluted in saline 
Explanation: * IV KCl - Never given as bolus as it can cause Diastolic arrest. * Always given diluted and advised to give diluted in saline.