This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General Management of Wounds, Subject name: Surgery
[{'content': 'Reactionary Hemorrhage occurs due to - \nSelect and explain. \nA. Dislodgement of clot, B. Infection, C. Damage to a blood vessel, D. Pressure necrosis', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Dislodgement of clot PrimaryReactionarySecondaryImmediate post op< 24 hours7-14 daysDue to surgery itselfDislodgement of clotPrssure necrosis Ligature slipInfection Noramlisation of BP and vasodilation", 'role': 'assistant'}]