EOMs innervation (M1)

Question 1

CN III

Answer 1

motor innervation of SR, IR, MR, IO

Question 2

superior division of CN III

Answer 2

superior rectus

Question 3

inferior division of CN III

Answer 3

inferior rectus
inferior oblique
medial rectus

Question 4

CN IV

Answer 4

CN IV = trochlear.
motor innervation of superior oblique (SO).
contraction = intorsion

Question 5

CN VI

Answer 5

CN VI = abducens.
motor innervation of lateral rectus (LR).
contraction = moving eyeball away from midline