Facial Cn Vii

Front 1

What n. innervates mm. of facial expression?

Back 1

Facial CN VII

Front 2

What n. is associated w/ crying (lacrimal gland)?

Back 2

Facial CN VII

Front 3

Which n. is associated w/ mucous production in the nasopharyngeal region?

Back 3

Facial CN VII

Front 4

Which n. is associated w/ salivation from the submandibular and sublingual glands?

Back 4

Facial CN VII

Front 5

Which n. is associated w/ taste from the anterior 2/3 of the tongue?

Back 5

Facial CN VII

Front 6

What n. is associated w/ dampening loud, abrupt noises?

Back 6

Facial CN VII

Front 7

What types of fibers run through Facial CN VII?

Back 7

motor, autonomic, general sensory, special sensory

Front 8

What type of fibers innervate the mm. of facial expression?

Back 8

motor fibers

Front 9

What type of fibers innervate the lacrimal, salivary glands and mucous glands in the nose and palate?

Back 9

autonomic fibers

Front 10

What type of fibers bring back sensation from the skin around the outer ear?

Back 10

general sensory fibers

Front 11

What type of fibers bring back taste sensation from the anterior 2/3 of the tongue?

Back 11

special sensory (taste) fibers

Front 12

Where do motor cell bodies originate for Facial CN VII?

Back 12

pontomedullary junction

Front 13

Which CN is closely associated w/ Facial CN VII in the cranial cavity?

Back 13

Vestibulocochlear CN VIII

Front 14

What does Facial CN VII and Vestibulocochlear CN VIII exit the cranial cavity through?

Back 14

internal auditory meatus

Front 15

What does Facial CN VII travel through once it exits the cranial cavity?

Back 15

facial canal

Front 16

What does Facial CN VII exit the skull through?

Back 16

stylomastoid foramen

Front 17

Where are the preganglionic cell bodies for general sensation and taste of Facial CN VII located?

Back 17

geniculate ganglion

Front 18

Facial CN VII travels through the parotid gland to innervate what?

Back 18

mm. of facial expression

Front 19

PSNS fibers travel from Facial CN VII to which nn. to synapse in the pterygopalatine ganglion?

Back 19

greater petrosal n.-n. of pterygoid canal

Front 20

Where are the cell bodies for motor innervation by Facial CN VII located?

Back 20

pons in the brainstem

Front 21

Facial CN VII sends motor innervation to mm. of what derivation?

Back 21

2nd pharyngeal arch

Front 22

Where does Facial CN VII exit the cranial cavity?

Back 22

internal acoustic meatus (internal auditory meatus)

Front 23

What does Facial CN VII travel through posterior to the ear before exiting the stylomastoid foramen?

Back 23

internal acoustic meatus through hiatus of facial canal along facial canal

Front 24

Where does Facial CN VII exit the skull?

Back 24

stylomastoid foramen

Front 25

The bulk of what n. runs anteriorly to run through the parotid gland on its way to innervate the mm. of facial expression?

Back 25

Facial CN VII

Front 26

Facial CN VII runs through what on its way to innervate the mm. of facial expression?

Back 26

parotid gland

Front 27

What are the 5 branches of Facial CN VII that innervate mm. of facial expression?

Back 27

Temporal, Zygomatic, Buccal, Mandibular, Cervical

Front 28

The stylohyoid m. receives motor innervation from what n.?

Back 28

Facial CN VII branch to stylohyoid

Front 29

The posterior belly of the digastric m. receives motor innervation from what n.?

Back 29

Facial CN VII

Front 30

The occipitalis m. receives motor innervation from what n.?

Back 30

Facial CN VII

Front 31

The posterior auricularis m. receives motor innervation from what n.?

Back 31

Facial CN VII

Front 32

What n. branches from Facial CN VII in the facial canal?

Back 32

n. to stapedius

Front 33

Action: stapedius m.

Back 33

dampens sudden, loud sounds

Front 34

What n. sends a motor branch to innervate the stapedius m.?

Back 34

Facial CN VII

Front 35

Where is the stapedius m. located?

Back 35

in the middle ear

Front 36

What happens when motor innervation is interrupted after a lesion of Facial CN VII?

Back 36

loss of innervation to mm. of facial expression on that side of the face, hyperacusis

Front 37

One experiences loss of innervation to mm. of facial expression after lesion of what n.?

Back 37

Facial CN VII

Front 38

One experiences hyperacusis after lesion of what n.?

Back 38

Facial CN VII (before leaving stylomastoid foramen)

Front 39

sensitivity to loud noises

Back 39

hyperacusis

Front 40

Preganglionic cell bodies involved in sensory innervation from Facial CN VII are located where?

Back 40

geniculate ganglion

Front 41

Which n. provides sensory (cutaneous) innervation to the external auditory meatus and some skin around the outer ear?

Back 41

Facial CN VII

Front 42

Central processes from Facial CN VII project through what structure to the brainstem?

Back 42

nervous intermedius of Facial CN VII

Front 43

What occurs when sensory innervation is blocked from Facial CN VII?

Back 43

minor loss of sensation around the ear

Front 44

Where are cell bodies of special sensory fibers for Facial CN VII located?

Back 44

geniculate ganglion

Front 45

Central processes for special sensory innervation of Facial CN VII project through what to the brain stem?

Back 45

nervous intermedius of Facial CN VII

Front 46

Taste (special sensory) from the palate travels via which nn. to Facial CN VII?

Back 46

n. to pterygoid canal-greater petrosal n.

Front 47

Taste (special sensory) from the anterior 2/3 of the tongue travels via which nn. to Facial CN VII?

Back 47

lingual n. V3-chorda tympani

Front 48

What occurs with damage of the special sensory fibers of Facial CN VII?

Back 48

some loss of taste from the palate and anterior 2/3 of the tongue

Front 49

Facial CN VII carries parasympathetic n. fibers destined to innervate which structures?

Back 49

lacrimal gland; mucous glands of nose, palate and pharynx; submandibular and sublingual glands

Front 50

What n. sends preganglionic parasympathetic fibers to the lacrimal glands?

Back 50

Facial CN VII to greater petrosal n. to n. to pterygoid canal

Front 51

What nn. send preganglionic parasympathetic fibers to the mucous glands of the nose, palate, and pharynx?

Back 51

Facial CN VII to greater petrosal n. to n. to pterygoid canal

Front 52

What n. sends preganglionic parasympathetic fibers to the submandibular and sublingual glands?

Back 52

Facial CN VII to chorda tympani to lingual n. V3

Front 53

Where are the preganglionic cell bodies located for parasympathetic innervation for Facial CN VII?

Back 53

superior salivatory nucleus of the brainstem

Front 54

Fibers running through chorda tympani and lingual n. after exiting Facial CN VII are targeted for parasympathetic innervation to what structures?

Back 54

submandibular and sublingual glands

Front 55

Chorda tympani carries which type of fibers to the submandibular and sublingual glands?

Back 55

parasympathetic preganglionic fibers

Front 56

Postganglionic cell bodies involved in parasympathetic innervation to the submandibular and sublingual glands are located where?

Back 56

submandibular ganglion

Front 57

Preganglionic parasympathetic fibers running through greater petrosal n. and n. to the pterygoid canal will innervate which structures?

Back 57

lacrimal gland, nose, palate, and pharynx

Front 58

Postganglionic cell bodies involved in parasympathetic innervation of the lacrimal gland, nose, palate, and pharynx are located where?

Back 58

pterygopalatine ganglion

Front 59

Postganglionic parasympathetic fibers run through which nn. to innervate the lacrimal gland?

Back 59

Maxillary V2-lacrimal n. V1

Front 60

What happens when the parasympathetic fibers of Facial CN VII are damaged?

Back 60

slightly dry mouth, decreased nasal secretions, dry eye

Front 61

Raising eyebrows, closing eyes tightly, showing teeth, and pulling corners of mouth laterally and anteriorly are testing for function of what n.?

Back 61

Facial CN VII

Front 62

loss of all of the mm. of facial expression to one side of the face?

Back 62

Bell's palsy

Front 63

loss of mm. of facial expression only below the eyebrow on one side?

Back 63

stroke (central VIIth nerve lesion)