This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cranial Nerves, Subject name: Anatomy
Which cranial nerve is attached to dorsal surface of brainstem - 
Select and explain. 
A. Facial, B. Trigeminal, C. Trochlear, D. Abducent
C: Trochlear
Answer: C: Trochlear 
Explanation: Ans. is 'c' i.e., Trochlear o Repeat from previous sessions.