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
Which of the following structures seen in the cavernous sinus? 
Select and explain. 
A. Maxillary division of V nerve, B. Mandibular division of V nerve, C. Internal carotid aery, D. Trochlear nerve
C: Internal carotid aery
Answer: C: Internal carotid aery 
Explanation: Ans. c. Internal carotid aery