This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fluids & Electrolyte Disorders - Acid-Base Balance, Subject name: Surgery
[{'content': 'A 24 year old male suffered a RTA with multiple abdominal injuries and femur fracture. He has lost 10% of his blood. The initial fluid of choice is - \nSelect and explain. \nA. Crystalloid, B. Colloid, C. Packed RBCs, D. Whole Blood', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Crystalloid o This is grade I shock choice of fluid is crystalloid.o Has been explained in previous sessions", 'role': 'assistant'}]