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: Forensic Medicine
[{'content': 'Differentiating features of contusion (Vs postmortem staining) are -a) Bluish in colorb) Disappear with pressure on areac) Margin irregulard) Limited to intravascular compartmente) Extravasation of blood occurs \nSelect and explain. \nA. abc, B. be, C. ce, D. bcd', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The colour of bruise changes as per stage of healing seen (whereas postmortem lividity as bluish-pink to bluish purple).\nThere is no effect of pressure on a bruise\nMargins of a bruise are\xa0irregular and diffuse into surrounding (margins of postmortem lividity are\xa0clear-cut). \nIn bruise, blood is into the extravascular compartment (it is in an intravascular compartment in postmortem lividity).\nExtravasation of blood occurs in a bruise.', 'role': 'assistant'}]