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
[{'content': 'Post-moem purge is associated with the following: \nSelect and explain. \nA. Hypostasis, B. Rigor mois, C. Post moem lividity, D. Putrefaction', 'role': 'user'}, {'content': 'Answer: D \nExplanation: During putrefaction, discoloured natural fluids and liquified tissues are made frothy by gas. Due to the presence of gas in the abdomen, the diaphragm is forced upwards compressing the lungs and hea, and blood stained froth exudes from the mouth and nostrils which is known as post-paum purge. Ref: The Essentials of Forensic Medicine and Toxicology by K S Narayan Reddy, 27th edition, Page 146.', 'role': 'assistant'}]