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
Difference between contusion and post-moem lividity is that post-moem lividity- 
Select and explain. 
A. Shows sequential color change, B. Easily washable, C. Shows diffuse irregular margins, D. Has raised enzyme levels
B: Easily washable
Answer: B: Easily washable 
Explanation: The synopsis of forensic medicine & toxicology;Dr k.s narayan reddy; 28th edition;pg.no. 88; Contusion or bruises are not washable but postmoem lividity is washable. Also refer page no.106