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
[{'content': 'Intravenous potassium chloride should be given? \nSelect and explain. \nA. Bolus in peripheral line, B. Diluted in saline, C. Diluted in 5% Dextrose, D. Bolus in central line', 'role': 'user'}, {'content': 'Answer: B \nExplanation: * IV KCl - Never given as bolus as it can cause Diastolic arrest. * Always given diluted and advised to give diluted in saline.', 'role': 'assistant'}]