This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General surgery, Subject name: Surgery
Abbey estender flap is based on 
Select and explain. 
A. Lingual aery, B. Facial aery, C. Labial aery, D. Internal maxillary aery
C: Labial aery
Answer: C: Labial aery 
Explanation: .abbey flap is used for lip reconstruction so it is based on labial aery