Oral Cavity, Sinuses And Orbit

Question 0

Levator palpebrae superioris innervation and action

Answer 0

• oculomotor nerve

- elevates eyelid

Question 1

Levator palpebrae superioris origin and insertion

Answer 1

Origin: lesser wing of sphenoid
Insertion: skin of superior eyelid

Question 2

Superior oblique origin and insertion

Answer 2

Origin: sphenoid bone
Insertion: scera

Question 3

Superior oblique innervation and action

Answer 3

• trochlear nerve

- depresses and abducts eye

Question 4

Inferior oblique origin and insertion

Answer 4

Origin: floor of the orbit
Insertion: sclera

Question 5

Inferior oblique innervation and action

Answer 5

Oculomotor nerve

Abducts and elevates eye

Question 6

Insertion and origin for the rectus muscles of the eye

Answer 6

(Superior, inferior, medial, lateral)
Origin: common tendinitis ring
Insertion: sclera

Question 7

Innervation for the rectus muscles of the eye

Answer 7

Superior, inferior, medial: oculomotor

Lateral: abducent

Question 8

Superior rectus action

Answer 8

Elevates and adducts eye

Question 9

Inferior rectus action

Answer 9

Depresses and adducts eye

Question 10

Medial rectus action

Answer 10

Adducts eye

Question 11

Lateral rectus action

Answer 11

Abducts eye