Ophthalmic Division

Question 1

Where does the Ophthalmic division enter the orbit?

Answer 1

superior orbital fissure

Question 2

Where does the ophthalmic division carry sensory info of the skin over what features?

Answer 2

nose, forehead, scalp

Question 3

What sinus mucus membranes are innervated by V1?

Answer 3

frontal and sphenoid sinuses and the membrane covering the nasal septum

Question 4

What four branches are given off of V1?

Answer 4

meningeal nerve, lacrimal nerve, frontal nerve and nasociliary nerve (Many Look Forward to Nightclubs)

Question 5

What is the other name for the meningeal nerve of the ophtalmic division of the trigeminal nerve?

Answer 5

tentorial branch

Question 6

What branch of V1 supplies the dura in the middle cranial fossa?

Answer 6

meningeal nerve or tentorial branch

Question 7

What nerve comes off of V1 before leaving the superior orbital fissure?

Answer 7

meningeal nerve

Question 8

What is the smallest branch of V1?

Answer 8

lacrimal nerve

Question 9

What muscle does the lacrimal nerve travel along, but does not innervate?

Answer 9

lateral rectus

Question 10

What innervates the lacrimal gland?

Answer 10

lacrimal nerve

Question 11

What nerve passes throught the lacrimal gland?

Answer 11

lacrimal nerve

Question 12

What nerve of V1 supplies sensory info to the skin of the upper eyelid?

Answer 12

lacrimal

Question 13

Other than sensory fibers, what kind of fibers are carried by the lacrimal nerve?

Answer 13

postganglionic parasympathetic (secretory) fibers

Question 14

What ganglion do the parasympathetic fibers, which supply the lacrimal gland, originate?

Answer 14

pterygopalatine ganglion (CN VII)

Question 15

How do nerves from the pterygopaltine ganglion reach te lacrimal nerve?

Answer 15

zygomatic nerve and zygomaticotemporal nerves (CN V2)

Question 16

What is the largest branch of V1?

Answer 16

Frontal nerve

Question 17

What are the two branches of the frontal nerve?

Answer 17

supertrochlear nerve and supraorbital nerve

Question 18

What nerve conveys sensation from the medial corner of the eye?

Answer 18

supratrochlear nerve of the frontal nerve of the ophthalmic division of the trigeminal nerve

Question 19

What nerve carries sensation from the conjunctiva, upper eyelid, and forehead?

Answer 19

supraorbital nerve of the frontal nerve of the ophthalmic divison of the trigeminal nerve

Question 20

what nerve carries sensation from the mucous membrane lining the frontal sinus?

Answer 20

supraorbital nerve of the frontal nerve of the ophthalmic division of the trigeminal nerve

Question 21

What are the three branches and the two terminal branches of the nasociliary nerve?

Answer 21

Communicating branch (to ciliary ganglion), Long ciliary nerve, Posterior ethmoid nerve, Anterior ethmoid nerve, and Infratrochlear nerve (Come Look! Pigs Ate Iguanas)

Question 22

What are the two terminal branches of the nasociliary nerve of the ophthalmic division of the trigeminal nerve?

Answer 22

anterior ethmoid nerve and infratrochlear nerve

Question 23

What branch of the nasociliary nerve supplies sympathetic and somatic sensory fibers that will join with CN VII?

Answer 23

communicating branch to ciliary ganglion

Question 24

What branch of the nasociliary nerve supplies the eyeball?

Answer 24

long ciliary nerve

Question 25

What branch of the nasociliary nerve carries sensory info from the sphenoidal and ehtmoidal sinuses?

Answer 25

posterior ethmoid nerve

Question 26

What branch of the nasociliary nerve supplies the skin over the nose? and how?

Answer 26

anterior ethmoid nerve; by way of the external nasal nerve

Question 27

What nerve supplies the mucous membrane covering the anterior part of the nasal septum and how?

Answer 27

anterior ethmoid nerve by way of the internal nasal nerve

Question 28

What branch of the nasociliary nerve supplies the medial corner of the eye, including the lacrimal sac?

Answer 28

Infratrochlear nerve

Question 29

Which branch innervates the mucosal membrane of the anterior nasal septum?

Answer 29

Anterior ethmoid nerve of the nasociliary nerve of the ophthalmic division of the trigeminal nerve