This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mechanical Injuries, Subject name: Forensic Medicine
[{'content': 'In run-over accidents the following type of laceration is commonly seen: \nSelect and explain. \nA. Split, B. Cut, C. Avulsion, D. Stretch', 'role': 'user'}, {'content': 'Answer: C \nExplanation: In run over accidents, avulsion is seen AVULSION : - It is produced by shearing force delivered at tangential angle to tear off a poion of traumatized skin surface from their attachment. - In run over accidents, avulsion / flaying/ flapping is seen in which flap laid tells us about the direction of force. Split laceration : It occurs due to crushing of the skin in between two hard objects . Stretch laceration : It is due to over stretching of skin. It is seen in case of open fracture. Tear laceration: tearing (of skin or subcutaeus tissue) can occur due to localized impact by some hard and irregular object Cut lacerations: it can occur by a heavy sharp edged weapon which causes a deep and wide cut over the body tissues.', 'role': 'assistant'}]