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
Anterior ethmoidal nerve supplies all except: 
Select and explain. 
A. Ethmoidal air cells, B. Maxillary sinus, C. Dural sheath of ant cranial fossa, D. Interior of nasal cavity
B: Maxillary sinus
Answer: B: Maxillary sinus 
Explanation: THe maxillary sinuses are innervated by infra-orbital and alveolar branches of the maxillary nerve