This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Salivary Glands, Subject name: Anatomy
Which nerve is preserved in dissecting the superficial and deep lobes of parotid gland - 
Select and explain. 
A. Glossopharyngeal, B. Hypoglossal, C. Lingual, D. Facial
D: Facial
Answer: D: Facial 
Explanation: Ans. is 'd' i.e., Facial o The facial nerve separates parotid gland into superficial and deep lobes.o Mandibular branch of facial nerve is most vulnerable to injury during parotid surgery.