This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fluid & Electrolyte, Subject name: Surgery
[{'content': 'Initial fluid of choice in treatment of hypovolemia in trauma patient: \nSelect and explain. \nA. Colloid, B. Blood, C. Crystalloid, D. Plasma expanders', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) CrystalloidsRef: Bailey and Love 27th edition page 19)The ideal fluid of choice in emergency ward is crystalloids and especially the best is normal saline > Ringer lactate.', 'role': 'assistant'}]