This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Trauma, Subject name: Surgery
[{'content': "Initial resuscitation of a trauma patient is best done by administration of which of the following? \nSelect and explain. \nA. D5W, B. D5W and 0.45% normal saline, C. Ringer's lactate solution, D. 5% plasma protein solution", 'role': 'user'}, {'content': "Answer: C \nExplanation: - Initial resuscitation of a trauma patient is best done by administering Ringer's lactate, because it is isotonic, and it is similar to plasma in electrolyte composition. - There is no conclusive evidence that colloid solutions (albumin, plasma protein solution, or hydroxyethyl starch solution) improve the rate of resuscitation or eventual outcome. -D5W and 0.45% normal saline are hypotonic hence not used in this case. - Use of crystalloid solutions also aids in resuscitation of interstitial compament", 'role': 'assistant'}]