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: Unknown
[{'content': 'This sign is found in: \nSelect and explain. \nA. Splenic injury, B. Perforative peritonitis, C. Mesenteric vascular occlusion, D. Gastric volvulus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Kehrs sign is seen in Splenic injury \n• Kehr’s sign is occurrence of pain in the tip of shoulder due to presence of blood/irritant in peritoneal cavity.\n• Kehr’s sign in left shoulder is considered a characteristic sign of splenic rupture.\n• Kehr’s sign is a classic example of referred pain (phrenic nerve)', 'role': 'assistant'}]