This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Shock, Subject name: Surgery
[{'content': 'First fluid of choice in Hypovolemic shock? \nSelect and explain. \nA. Dextran, B. Normal saline, C. Dextrose normal saline, D. Hartmann solution', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Normal salineRef.: Harrison 18th ed. / 270Fluid of choice in Hypovolemic shock is Normal saline.', 'role': 'assistant'}]