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
The nerve supply for motor action of buccinator: 
Select and explain. 
A. Facial nerve, B. Mandibular nerve, C. Maxillary nerve, D. Auriculo temporal nerve
A: Facial nerve
Answer: A: Facial nerve 
Explanation: None