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
During autopsy of suspected anaesthetic poisoning,lung excised from hilum is to be preserved in ? 
Select and explain. 
A. PVC container, B. Metal container, C. Nylon bag, D. Poly ethylene bag
B: Metal container
Answer: B: Metal container 
Explanation: Ans. is 'b' i.e., Metal container In normal toxicological examination one lung is preserved in sealed nylon bag. In case of inhaled anesthetic, intact lung with bronchi ligated should be kept in gas sealed metal/ non plastic containers of appropriate size to avoid empty space and are sealed and refrigerated/ frozen. Alveolar should be collected with needle and syringe by puncturing the lung under water before the chest is opened.