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': 'Anterior ethmoidal nerve suplies all except: \nSelect and explain. \nA. Maxillary sinus, B. Interior of nasal cavity, C. Dural sheath of anterior cranial fossa, D. Ethmoidal air cells', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Maxillary sinus Maxillary sinus is not supplied by ant. ethmoidal nerve.Anterior ethmoidal nerve is the branch of the nasociliary nerve; a branch of ophthalmic division of trigeminal nerve.Ant. ethmoidal nerve supplies- Dura mater of ant. cranial fossa- Ethmoidal sinuses- Roof of the nasal cavity- Anterior pa of the lateral wall of nasal cavity- Anterior and upper pas of the nasal septum- Skin of the external nose to the nasal tip.', 'role': 'assistant'}]