This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and PNS, Subject name: ENT
[{'content': 'Treatment of Septal hematoma is? \nSelect and explain. \nA. Incision and drainage, B. Nasal packing, C. Antibiotics, D. Nasal decongestants', 'role': 'user'}, {'content': 'Answer: A \nExplanation: ANSWER: (A) Incision and drainageREF: Dhingra 4th ed p. 142 SEPTAL HEMATOMA:Etiology:Nasal traumaSeptal surgeryBleeding diasthesis Clinical features:b/1 nasal obstruction is the most common clinical featurefrontal headachepalpable soft, fluctuant mass Treatment:small hematomas: drainage via a wide bore needlelarge hematomas: incision and drainageantibiotics to prevent septal abscess', 'role': 'assistant'}]