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': 'A 19 year old girl sustained blunt abdominal trauma. She was diagnosed of having splenic rupture. Her pulse is 110/min and BP is normal. She is tachypnoes with respiratory rate of 22/min and she is anxious. Her approximate blood loss is - \nSelect and explain. \nA. < 750 ml, B. 750 - 1500ml, C. 1500 - 2000ml, D. > 2000ml', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Answer- B. 750 - 1500mlBlood loss- 750- 1500 ml', 'role': 'assistant'}]