This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Preoperative assessment and monitoring in anaesthesia, Subject name: Anaesthesia
[{'content': 'Which of the following is not isotonic solution \nSelect and explain. \nA. 0.5% dextrose in water, B. 0.9% normal saline, C. Lactated ringer, D. 10% dextrose in water', 'role': 'user'}, {'content': 'Answer: D \nExplanation: An isotonic solution is one that has the same osmolarity, or solute concentration, as another solution. If these two solutions are separated by a semipermeable membrane, water will flow in equal pas out of each solution and into the other. 10%dextrose in water should be administered using a central line if possible and should not be infused using the same line as blood products as it can cause RBC hemolysis.', 'role': 'assistant'}]