This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Death and Investigations, Subject name: Forensic Medicine
[{'content': 'Brown color of contusion is due to - \nSelect and explain. \nA. Haematodin, B. Reduced hemoglobin, C. Haemosiderin, D. Bilirubin', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Haemosiderin Color change and age of bruise (Contusion!o After a bruise has appeared, it tends to get smaller from periphery to center and passes through a series of colour changes. These are due to disintegration of RBCs by hemolysis and breakdown of hemoglobin into the pigments haemosiderin, haematodin and bilirubin changes are: -At first: Red (oxyhemoglobin)Few hours to 3 days : blue (reduced hemoglobin)4th day : Bluish-black to brown (haemosiderin)5-6 days: Greenish (haematodin)7-12 days : Yellow (Bilirubin)2 weeks : Normal (absorption of pigment)", 'role': 'assistant'}]