This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuro-Ophthalmology, Subject name: Ophthalmology
Nerve supply of superior oblique muscle is by - 
Select and explain. 
A. Trochlear nerve, B. Oculomotor nerve, C. Abducens, D. Optic nerve
A: Trochlear nerve
Answer: A: Trochlear nerve 
Explanation: Ans. is 'a' i.e., Trochlear nerve Oculomotor nerveMedial rectus. Inferior rectus, Superior rectus, Inferior obliqueTrochlear nerveSuperior ObliqueAbducensLateral rectus