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
[{'content': 'Middle superior alveolar nerve supplies upper premolar teeth. It is a branch of: \nSelect and explain. \nA. Mandibular division of trigeminal nerve, B. Palatine division of maxillary nerve, C. Anterior nasal division of maxillary nerve, D. Infraorbital nerve', 'role': 'user'}, {'content': 'Answer: D \nExplanation: While running forward in the floor of the orbit, the infraorbital nerve lies in the roof of the maxillary sinus and gives branches that carry sensation from the roots of the upper premolar teeth, the middle superior alveolar nerve, and the roots of the upper canines and incisors, the anterior superior alveolar nerve. Once it reaches the face, the infraorbital nerve carries sensation from an area of skin that extends from the lower eyelid to the upper lip. Ref: Dhillon N. (2012). Chapter 1. Anatomy. In A.K. Lalwani (Ed), CURRENT Diagnosis & Treatment in Otolaryngology--Head & Neck Surgery, 3e.', 'role': 'assistant'}]