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': 'Injury by Lathi - \nSelect and explain. \nA. Contusion, B. Laceration, C. Stab wound, D. Abrasion', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The synopsis of forensic medicine & toxicology - Dr.k.s narayan reddy Pg no . 106 ;28th edition ; Contusion (Bruises) it is the effusion of blood into tissues ,due to rupture of blood vessels and due to blunt violence . Lathi injury is a injury caused by blunt force . in contusion there is painful swelling and crushing or tearing of the subcutaneous tissue ,usually without destruction of the skin .', 'role': 'assistant'}]