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
Action of superior rectus: 
Select and explain. 
A. Abduction and intoion, B. Adduction and extoion, C. Adduction and intoion, D. Abduction and extoion
C: Adduction and intoion
Answer: C: Adduction and intoion 
Explanation: Superior rectus muscleIt is innervated by the superior division of the oculomotor nerve (Cranial Nerve III).In the primary position (looking straight ahead), the superior rectus muscle's primary function is elevation, although it also contributes to intorsion and adduction.