This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Oropharynx, Subject name: ENT
[{'content': 'Haemorrhage during tonsillectomy is usually from: \nSelect and explain. \nA. Maxillary aery, B. Paratonsillar vein, C. Lingual aery, D. Middle meningeal aery', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The most common site of haemorrhage following tonsillectomy is venous from external palatine vein i.e. the paratonsillar vein.', 'role': 'assistant'}]