PA A&P Eye- Chart

Question 1

origin of levator palpebrae superioris

Answer 1

lesser wing of sphenoid bone, superior and anterior to optic canal

Question 2

insertion of levator palpebrae superioris

Answer 2

superior tarsus and skin of superior eyelid

Question 3

innervation of levator palpebrae superioris

Answer 3

CN3

Question 4

main action of levator palpebrae superioris

Answer 4

elevates superior eyelid

Question 5

origin of superior oblique

Answer 5

body of sphenoid bone

Question 6

insertion of superior oblique

Answer 6

tendon passes through a fibrous ring or trochlea, changes its direction and inserts into sclera, deep to superior rectus muscle

Question 7

innervation of superior oblique

Answer 7

CN 4

Question 8

main action of superior oblique

Answer 8

abducts, depressed and medially rotates eyeball

Question 9

origin of inferior oblique

Answer 9

anterior part of floor of orbit

Question 10

insertion of inferior oblique

Answer 10

sclera deep to lateral rectus muscle

Question 11

main action of inferior oblique

Answer 11

abducts, elevates and laterally rotates eyeball

Question 12

main action of superior rectus

Answer 12

elevates, adducts and rotates eyeball medially

Question 13

main action of inferior rectus

Answer 13

depresses, adducts and rotates eyeball laterally

Question 14

main action of medial rectus

Answer 14

adducts eyebal

Question 15

main action of lateral rectus

Answer 15

abducts eyeball

Question 16

origin for superior rectus

Answer 16

common tendinous ring

Question 17

origin for inferior rectus

Answer 17

common tendious ring

Question 18

origin for medial rectus

Answer 18

common tendiouns ring

Question 19

origin for lateral rectus

Answer 19

common tendinous ring

Question 20

insertion for superior rectus

Answer 20

sclera just posterior to corneoscleral junction

Question 21

insertion for inferior rectus

Answer 21

sclera just posterior to corneoscleral junction

Question 22

insertion for medial rectus

Answer 22

sclera just posterior to corneoscleral junction

Question 23

insertion for lateral rectus

Answer 23

sclera just posterior to corneoscleral junction

Question 24

innervation of inferior oblique

Answer 24

CN 3 - oculomotor

Question 25

innervation of superior recturs

Answer 25

CN 3 - oculomotor

Question 26

innervation of inferior rectus

Answer 26

CN 3 - oculomotor

Question 27

innervation of medial rectus

Answer 27

CN 3 - oculomotor

Question 28

innervation of lateral rectus

Answer 28

CN 4