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 postmoem staining) are: 
Select and explain. 
A. Bluish in color, B. Disappear on pressure area, C. Margin irregular, D. All
C: Margin irregular
Answer: C: Margin irregular 
Explanation: C i.e. Margin irregular