This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuroanatomy, Subject name: Anatomy
Which nerve helps in looking laterally and downward: 
Select and explain. 
A. Abducent, B. Trochlear, C. Trigeminal, D. Occulomotor
B: Trochlear
Answer: B: Trochlear 
Explanation: Ans. B TrochlearRef: Gray's, 41st ed. pg. 671* Superior oblique muscle is supplied by trochlear nerve.* Its actions are: aBB duct, Intort & Depress ("BID") eye in primary position.