This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cranial cavity, Subject name: Anatomy
Middle cranial fossa is supplied by all EXCEPT 
Select and explain. 
A. Maxillary nerve, B. Mandibular nerve, C. Ophthalmic nerve, D. Posterior ethmoidal nerve
D: Posterior ethmoidal nerve
Answer: D: Posterior ethmoidal nerve 
Explanation: Posterior ethmoidal nerve supplies the duramater at the floor of anterior (not middle) cranial fossa. Middle cranial fossa is supplied by meningeal branches of ophthalmic, maxillary and mandibular divisions of trigeminal nerve. Meningeal branch of the maxillary nerve (in the anterior pa) and the mandibular nerve in the posterior pa. Medially ophthalmic nerve gives sensory branches.