This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ocular Motility, Subject name: Ophthalmology
Which intraocular muscle inserts closest to limbus- 
Select and explain. 
A. Lateral Rectus, B. Medial Rectus, C. Superior Rectus, D. Inferior Rectus
B: Medial Rectus
Answer: B: Medial Rectus 
Explanation: Ans. is 'b' i.e., Medial Rectus MuscleDistance of insertion from limbusMedial rectus (M)5.5 mmInferior rectus (I)6.5 mmLateral rectus (L)6.9 mmSuperior rectus (S)7.7 mm