This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General, Subject name: Skin
[{'content': 'Green color at bruise site is due to: \nSelect and explain. \nA. Hemotidin, B. Bilirubin, C. Hemosiderin, D. Biliverdin', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (d) Biliverdin* Bruise is a skin contusion which is also known as hematoma of skin* Capillaries and sometimes venules are damaged by trauma, allowing blood to seep, hemorrhage, or extravasate into the surrounding interstitial tissues.* Larger bruises may change color due to the breakdown of hemoglobin from within escaped RBC in the extracellular space.* The striking colors of a bruise are caused by the Phagocytosis and sequential degradation of hemoglobin to biliverdin to bilirubin to hemosiderin* The color changes noted at the site of bruise is secondary to:# Hemoglobin itself producing a red-blue color# Biliverdin producing a green color# Bilirubin producing a yellow color# Hemosiderin producing a golden-brown color', 'role': 'assistant'}]