<prompt> Autopsy of a case of cyanide poisoning shows all of the following features, EXCEPT:Congested organsCharacteristic bitter lemon smellThe skin shows pinkish or cherry red colourErosion and hemorrhages in oesophagus and stomach  <response>: Cyanide poisoning is associated with a characteristic smell of bitter almonds and not of bitter lemon. Mechanism: Cyanide inhibits the action of enzymes such as cytochrome oxidase, carbonic anhydrase. It blocks the final step of oxidative phosphorylation and prevent the formation of ATP. Ref:The Essentials of Forensic Medicine and Toxicology By Dr KS Narayan Reddy, Pages 560-1 