This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
The cranial nerve passing through Dorello canal is 
Select and explain. 
A. 4th, B. 5th, C. 6th, D. 7th
C: 6th
Answer: C: 6th 
Explanation: At petrous apex, the abducent nerve takes a sharp turn to pass through Dorello's canal beneath petrosphenoidal ligament.