This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': 'In surgery of submandibular salivary gland, nerve often involved -a) Hypoglosalb) Glossopharygnealc) Faciald) Lingual \nSelect and explain. \nA. abc, B. ad, C. acd, D. bde', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Three cranial nerves are at risk during removal of the submandibular salivary gland-the mandibular branch of facial nerve, the lingual nerve & hypoglossal nerve.', 'role': 'assistant'}]