This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ballistics, Subject name: Forensic Medicine
[{'content': 'The most common site of wandering bullet is:- \nSelect and explain. \nA. Aoa, B. Femoral vein, C. Carotid aery, D. IVC', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Bullet emboli/Wandering bullet : Vascular embolization is associated with small caliber, low velocity bullet, and involves the aerial system. It should be suspected whenever there is a penetrating bullet wound with failure to discover the bullet in the expected region or to visualize the bullet on routine X-ray. The most common sites of entry for a bullet are the aoa, right atrium and ventricle, pulmonaryaery, and the inferior vena cava in order.', 'role': 'assistant'}]