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
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 
Select and explain. 
A. abc, B. be, C. ce, D. bcd
C: ce
Answer: C: ce 
Explanation: The colour of bruise changes as per stage of healing seen (whereas postmortem lividity as bluish-pink to bluish purple).
There is no effect of pressure on a bruise
Margins of a bruise are irregular and diffuse into surrounding (margins of postmortem lividity are clear-cut). 
In bruise, blood is into the extravascular compartment (it is in an intravascular compartment in postmortem lividity).
Extravasation of blood occurs in a bruise.