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': 'In traumatic cases, shock is most likely due to: September 2007 \nSelect and explain. \nA. Injury to intra abdominal solid organ, B. Head injury, C. Septicemia, D. Cardiac failure', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A: Injury to intra abdominal solid organ', 'role': 'assistant'}]