system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Viscera should be preserved if the cause of death is suspected. All of the following does not require preservatives, EXCEPT:
assistant
The correct answer is  Preservatives are not necessary if, Viscera can be analyzed within 24 hours If sample can be kept in a refrigerator or ice box Bone, hair, nails Lung for detecting inhaled poisons Ref: The Essentials of Forensic Medicine and Toxicology by Dr. K. S. Narayan Reddy, 27th edition, Page 111.