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
Middle superior alveolar nerve is a branch of which of the following nerve? 
Select and explain. 
A. Facial Nerve, B. Lingual nerve, C. Maxillary nerve, D. Mandibular nerve
C: Maxillary nerve
Answer: C: Maxillary nerve 
Explanation: Middle superior alveolar nerve arise from infra orbital branch of maxillary nerve in the infra orbital groove and canal.Course of superior alveolar nerve:It is given off from the maxillary nerve just before its exit from the infra orbital foramen. It descends in a canal in the anterior wall of the maxillary sinus, and divides into branches which supply the incisor and canine teeth. It communicates with the middle superior alveolar branch, and gives off a nasal branch and supplies the mucous membrane of the anterior pa of the inferior meatus and the floor of the nasal cavity. Ref: Essentials of Anatomy By I. B. Singh, 2nd Edition, Page 391