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: Anatomy
Surgical excision of parotid gland endangers which of the following structures: 
Select and explain. 
A. Hypoglossal nerve, B. Motor nerve of the muscles of mastication, C. External carotid artery, auriculotemporal nerve, facial nerve, D. Lesser occipital nerve and spinal accessory nerve
C: External carotid artery, auriculotemporal nerve, facial nerve
Answer: C: External carotid artery, auriculotemporal nerve, facial nerve 
Explanation: None