Muscles of the Eye

Question 1

innervation of levator palperbrae superioris

Answer 1

oculomotor

Question 2

action of levator palpebrae superioris

Answer 2

elevates superior eyelid

Question 3

superior rectus innervation

Answer 3

oculomotor nerve

Question 4

superior rectus action

Answer 4

elevates, adducts, and medially rotates eyeball medially

Question 5

inferior rectus innervation

Answer 5

oculomotor nerve

Question 6

inferior rectus action

Answer 6

depresses, adducts, and rotates eyeball medially

Question 7

lateral rectus innervation

Answer 7

abducent nerve

Question 8

lateral rectus action

Answer 8

abducts eyeball

Question 9

medial rectus innervation

Answer 9

oculomotor nerver

Question 10

medial rectus action

Answer 10

adducts eyeball

Question 11

superior oblique innervation

Answer 11

trochlear nerve

Question 12

superior oblique action

Answer 12

down and in

Question 13

inferior oblique innervation

Answer 13

oculomotor nerve

Question 14

inferior oblique action

Answer 14

up and out

Question 15

what are the nerves that control the muscles of the eye?

Answer 15

oculomotor–> superior, inferior, medial rectus; inferior oblique
trochlear–> superior oblique abducens–> lateral rectus

Question 16

what physical pattern of eye movement tracking can be used to assess eye muscle function

Answer 16

vertical lines; horizontal lines

Question 17

list eye muscles with each cranial nerve and action

Answer 17

superior rectus 3
inferior rectus 3 look down
medial rectus 3 inward
inferior oblique 3 up and out
lateral rectus 6
superior oblique 4

Question 18

list the bones of the orbit

Answer 18

maxilla, frontal, zygomatic, ethmoid, lacrimal, sphenoid, pallatine