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
Post moem staining gets fixed after : 
Select and explain. 
A. 2-3 hrs., B. 3-4 hrs., C. 5-6 hrs.., D. 7-8 hours
D: 7-8 hours
Answer: D: 7-8 hours 
Explanation: D i.e. 7-8 hours