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': 'After death, Livor mois is caused because of: March 2008 \nSelect and explain. \nA. Muscle of the body began to relax, B. Muscle of the body began to stiffen, C. Discolouration as a result of capillo-venous distension in the dependent pas of the body, D. Putrefaction of the body tissues', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C: Discolouration as a result of capillo-venous distension in the dependent pas of the body Postmoem lividity/hypostasis/livor mois is a settling of the blood in the lower (dependent) poion of the body, causing a purplish red discoloration of the skin: when the hea is no longer agitating the blood, heavy red blood cells sink through the serum by action of gravity. This discoloration does not occur in the areas of the body that are in contact with the ground or another object, as the capillaries are compressed. Livor mois is usually well developed within 4 hours after death and maximum lividity occurs within 6-12 hours.', 'role': 'assistant'}]