This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Salivary Gland), Subject name: Surgery
[{'content': 'Facial nerve is injured during parotid surgery. Best management - \nSelect and explain. \nA. Immediate repair, B. Repair at a later date, C. Physiotherapy, D. Nothing', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Immediate repair o Iatrogenic facial nerve injury' is most common after mastridctomy. When this occurs interoperatively, it is explaned. Injury' to greater than 50% of the neural diameter of facial nerve is addressed either with primary reanestomosis or reconstructed with the use of a nerve graft.o Reconstruction with nerve graft (aka cable grafting) is done using either. The greater auricular nerve or sural nerve as donar.", 'role': 'assistant'}]