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: Surgery
[{'content': 'The colloidal plasma expander used in treatment of hypovolemic shock is \nSelect and explain. \nA. 5% dextrose saline, B. Normal saline, C. Ringer Lactate, D. 6% dextran', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]