You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Which of the following poison causes cherry-red -color postmoem staining? and explain in detail?
A cherry-red colouration of the skin, mucous membranes, conjunctiva, nail beds, areas of hypostasis, blood, tissues and internal organs is seen in carbon monoxide (CO) poisoning. It is associated with 30-40% COHb. Ref: The Essentials of Forensic Medicine and Toxicology by Narayan Reddy, 27th edition, Page 555.