Adnexa

Question 1

CT related to the eye muscles:

Answer 1

adnexa

Question 2

What are the 2 organs of vision?

Answer 2

adnexa; eyeball (bulbus oculi)

Question 3

The _____ ligament joins the frontal process of the zygomatic bone and closes the orbit laterally.

Answer 3

orbital

Question 4

The orbicularis oculi muscle is controlled by which cranial nerve?

Answer 4

facial nerve (CN VII)

Question 5

The levator palpebrae superioris muscle does not move the eye, but gives rise to the:

Answer 5

superior eyelid

Question 5

Which muscle is being described by the following:
-only in superior eyelid
-inside of the orbit, covered by periorbital fascia
-one of the most dorsal mm. of orbit
-doesn’t move eye, but gives rise to the superior eyelid

Answer 5

levator palpebrae superioris muscle

Question 6

Which nerve innervates the levator palpebrae superioris muscle?

Answer 6

oculomotor nerve (CN III)

Question 7

What is being described below?
-live in walls of eyelids
-have multiple openings on border that secrete oily product that lubricate eyelids when they come together

Answer 7

tarsal/ meibomian glands

Question 8

True or false?
Tarsal glands are sebaceous.

Answer 8

true

Question 9

Type of mucosa that covers the deep surface (inside) of the eyelids:

Answer 9

palpebral conjunctiva

Question 10

Blind sac between the palpebral and bulbar conjunctiva:

Answer 10

fornix

Question 11

What is being described below?
-ventrally & from median cantus
-formed by conjunctive, CT, and even cartilage
-lacrimal glands

Answer 11

third eyelid/ nictitating membrane

Question 12

Covers the surface of the sclera:

Answer 12

bulbar conjunctiva

Question 13

Covers the inside of the orbit and CT around the muscles:

Answer 13

periorbit

Question 14

Fascia that encapsulates the muscles that move the eye:

Answer 14

orbital fascia

Question 15

Muscles that move the eye that insert on the sclera, ocular mm., are [smooth/skeletal].

Answer 15

skeletal

Question 16

Muscles that are inside of the eye itself are [smooth/skeletal].

Answer 16

smooth

Question 17

This muscle moves the eyes dorsally:

Answer 17

dorsal rectus muscle

Question 18

The dorsal rectus muscle is innervated by what cranial nerve?

Answer 18

CN III

Question 19

This muscle moves the eyes ventrally:

Answer 19

ventral rectus muscle

Question 20

The ventral rectus muscle is innervated by what cranial nerve?

Answer 20

CN III

Question 21

To look left, which muscle affects which eye?

Answer 21

left - lateral rectus muscle
right - medial rectus muscle

Question 22

To look left, which nerves are innervating the muscles?

Answer 22

left - CN VI
right - CN III

Question 23

To look right, which muscle affects which eye?

Answer 23

left - medial rectus muscle
right - lateral rectus muscle

Question 24

To look right, which nerves are innervating the muscles?

Answer 24

left - CN III
right - CN VI

Question 25

Which two muscles are used when rotating the eyes to accommodate in certain situations?

Answer 25

dorsal oblique muscle; ventral oblique muscle

Question 26

Which nerve innervates the dorsal oblique muscle?

Answer 26

CN IV

Question 27

Which nerve innervates the ventral oblique muscle?

Answer 27

CN III

Question 28

The retractor bulbi muscle is innervated by which nerve?

Answer 28

CN VI

Question 29

The retractor bulbi muscle is around what important structure?

Answer 29

optic nerve (CN II)

Question 30

What is being described below?
-runs in lateral walls of nasal cavities (1 per side)
-drain tears

Answer 30

lacrimonasal duct

Question 31

The lacrimal bone is the fossa for the:

Answer 31

lacrimal sac

Question 32

These structures drain the lacrima from your eyes when you blink:

Answer 32

lacrimal puncta; canaliculus

Question 33

What is being described below?
-dorsal to the eye/periorbit on most lateral side, close to the orbital ligament
-ducts produce lacrima

Answer 33

lacrimal gland