This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Postmoem techniques, Subject name: Forensic Medicine
Preservative used for virological examination in autopsy is 
Select and explain. 
A. Glycerol, B. Rectified spirit, C. Formalin, D. Thymol
A: Glycerol
Answer: A: Glycerol 
Explanation: Preservative used for virological examination in autopsy is Glycerol in buffered saline Preservative used for urine examination in autopsy - thymol formalin used for histopathological examination