Chn Lec 14

Front 1

This cranial nerve is the major sensory nerve of the face and innervates muscles derived from the 1st pharyngeal arch?

Back 1

Trigeminal

Front 2

What fiber types are carried by the trigeminal nerve?

Back 2

SVE and GSA

Front 3

What does the motor component of the trigeminal innervate?

Back 3

Muscles of mastication, tensor tympani, tensor veli palatini, mylohyoid, and anterior belly of the digastric

Front 4

Where does the trigeminal nerve emerge?

Back 4

from the anterolateral portion of the pons

Front 5

What division of the trigeminal exits the skull at the superior orbital fissure?

Back 5

Opthalmic

Front 6

Where does the maxillary division exit the skull?

Back 6

Foramen rotundum

Front 7

Where does the mandibular division exit the skull?

Back 7

At the foramen ovale

Front 8

What is the most superior and medial division of the trigeminal?

Back 8

Opthalmic

Front 9

The opthalmic division contains fibers of (GSA, SVE, both, neither)?

Back 9

GSA

Front 10

What are the three main branches of the opthalmic division?

Back 10

Nasociliary, frontal, lacrimal

Front 11

This nerve courses along the upper border of the lateral rectus muscle?

Back 11

Lacrimal

Front 12

What does the lacrimal nerve receive from the maxillary nerve?

Back 12

postganglionic parasympathetics from the pterygopalstine ganglion via a communicating branch of the maxillary, the zygomatico-temporal

Front 13

What does the lacrimal nerve innervate?

Back 13

lacrimal gland and lateral part of the upper eyelid

Front 14

This nerve passes on the levator palpebrae superioris muscle?

Back 14

Frontal nerve

Front 15

What does the frontal nerve divide into?

Back 15

The supraorbital and supratrochlear nerves

Front 16

This nerve innervates sensation of the skin and conjuctiva of the upper eyelid as well as the lateral forehead and the scalp as far superiorly as the vertex?

Back 16

Supraorbital Nerve

Front 17

This nerve innervates sensation of the skin of the medial side of the upper eyelid and the root of the nose and the adjacent forehead?

Back 17

Supratrochlear nerve

Front 18

What is the path of the nasociliary nerve in relationship to the optic nerve?

Back 18

Initially lateral > crosess over > runs obliquely to the medial wall

Front 19

What does the nasociliary give off as it crosses over the optic nerve?

Back 19

Long ciliary nerves

Front 20

What are the two terminal branches of the nasociliary nerve?

Back 20

Anterior ethmoidal and infratrochlear nerves

Front 21

After leaving the anterior ethmoidal foramen, the anterior ethmoidal nerve takes a course in the anterior cranial fossa over the cribiform plate and then through it into the nasal cavity to finally end on the face as what nerve?

Back 21

External Nasal Branch

Front 22

What nerves provide sensory information from the cornea?

Back 22

Long ciliary nerves

Front 23

Long ciliary nerves act as a taxi bringing what to the dilator pupillae muscle of the iris?

Back 23

Motor sympathetic innervation

Front 24

What nerve gives sensation on the skin of the lower half of the nose

Back 24

Anterior ethmoidal nerve

Front 25

This nerve provides sensory innervation of the lacrimal sac, skin of the eylids medially and skin on the side of the nose?

Back 25

Infratrochlear nerve

Front 26

Most of the branches of V2 arise in what fossa?

Back 26

Pterygopalatine fossa

Front 27

Where does the terminal branch of V2 leave the pterygopalatine fossa?

Back 27

inferior orbital fissure (infraorbital nerve)

Front 28

What is the only branch of the main trunk of the maxillary nerve that doesn’t originate from the pterygopalatine fossa?

Back 28

Meningeal

Front 29

What artery does the meningeal nerve course with?

Back 29

Middle meningeal nerve

Front 30

These connecting branches go through the pterygopalatine ganglion without synapsing through them?

Back 30

Ganglionic branches

Front 31

The zygomatic nerve leaves the pterygopalatine fossa through what opening?

Back 31

Inferior orbital fissure

Front 32

What dos the zygomatic nerve divide into while on the lateral wall of the orbit?

Back 32

zygomaticotemporal and zygomaticofacial nerves

Front 33

The zygomatiotemporal and zygomaticofacial give sensory innervation to what part of the face?

Back 33

Lateral cheek and temple

Front 34

The posterior superior alveolar nerve leaves the pterygopalatine fossa thorugh what ?

Back 34

Pterygomaxillary fissure

Front 35

posterior superior alveolar nerve gives sensory innervation to the?

Back 35

upper molars and maxillary sinus

Front 36

What is the terminal branch of V2?

Back 36

Infraorbital nerve

Front 37

Within the infraorbital canal, what arises from the infraorbital nerve?

Back 37

middle and anterior superior alveolar nerves

Front 38

What nerves, when affeceted, give people the misconception of a toothache when they actually have sinusitis?

Back 38

Superior alveolar branches of the maxillary and infraorbital

Front 39

This is the only division of the trigeminal that contains both motor and sensory fibers?

Back 39

Mandibular division

Front 40

What do the SVE fibers of the mandibular division of the trigeminal supply?

Back 40

Muscles of mastication, tensor tympani, tensor veli palatini, mylohyoid, and anterior belly of the digastric

Front 41

What is the only branch of the anterior division of the mandibular that is sensory?

Back 41

Buccal nerve

Front 42

The infratemporal surface of the maxilla (tuberosity) is what wall of the pterygopalatine fossa?

Back 42

Anterior

Front 43

The pterygoid process of the sphenoid is which wall of the pterygopalatine fossa?

Back 43

Posterior

Front 44

The perpendicular plate of the palatine is which wall of the pterygopalatine fossa?

Back 44

Medial

Front 45

The pterygomaxillary fissure is which wall of the pterygopalatine fossa?

Back 45

Lateral

Front 46

The sphenopalatine foramen is located on which wall of the pterygopalatine fossa

Back 46

medial

Front 47

Both the pterygoid canal and the pharyngeal canal are located on this wall of the pterygopalatine fossa

Back 47

Posterior

Front 48

This opening is located on the anterior wall of the pterygopalatine fossa?

Back 48

Inferior orbital fissure

Front 49

What are the contents of the pterygopalatine fossa?

Back 49

maxillary artery/vein; pterygopalatine ganglion; maxillary nerve

Front 50

The pterygopalatine ganglion contains neurons of what type?

Back 50

Parasympathetic

Front 51

Parasympathetic fibers heading into the pterygopalatine ganglion come from what nerves?

Back 51

Greater petrosal nerve and the nerve of the pterygoid canal

Front 52

Sympathetics from the plexus on the ICA and sensory fibers from the maxillary nerve (do/do not) synapse in the ganglion?

Back 52

Do Not

Front 53

This nerve arises from the pterygopalatine ganglion and courses through the sphenopalatine foramen to supply the nasal cavity?

Back 53

Nasopaltine nerve

Front 54

The nasopalatine nerve provides sensory innervation to what?

Back 54

Nasal septum and oral mucosa

Front 55

This nerve innervates the mucosa of the hard palate and originates from the pterygopalatine fossa?

Back 55

Greater palatine nerve

Front 56

This nerve innervates the soft palate and originates from the pterygopalatine fossa?

Back 56

Lesser palatine nerve

Front 57

This nerve innervates the mucosa of the nasopharynx and originates in the pterygopalatine fossa?

Back 57

Pharyngeal branch

Front 58

A patient comes in with left sided anasthesia of the face, along with loss of the corneal reflex. When asked to speak his mandible moves to the left side. What is most likely his problem?

Back 58

Left sided trigeminal nerve lesion

Front 59

What is trigeminal neuralgia or Tic Douloureux?

Back 59

a condition of the sensory part of V, affects areas of distribution of the maxillary and/or mandibular branches, Very painful

Front 60

What is a common viral infection affecting the trigeminal nerve?

Back 60

Herpes Zoster