This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
Structures passing through superior orbital fissure 
Select and explain. 
A. Cranial nerve VI, B. Cranial nerve I, C. Cranial nerve II, D. Ophthalmic nerve
A: Cranial nerve VI
Answer: A: Cranial nerve VI 
Explanation: superior orbital fissure * lateral pa lacrimal and frontal nerves, trochlear nerve, superior ophthalmic vein, meningeal branch of lacrimal aery, anastomotic branch of middle meningeal aery, which anastomoses with recurrent branch of lacriamal aery. * middle pa Upper and lower divisions of oculomotor nerve, nasociliary nerve, abducent nerve *medial pa Inferior ophthalmic vein .sympathetic nerve from plexus around internal carotid aery <img alt="" src=" /> Ref BDC volume 3; 6th edition pg 56