CN 2 - Herring

Question 1

Supplies somatic sensory from the posterior 1/3rd of the tongue & middle ear

Answer 1

CN IX

Question 2

Supplies taste from posterior 1/3rd of the
tongue

Answer 2

CN IX

Question 3

nerve that causes ear infection pain

Answer 3

CN IX

Question 4

Supplies somatic motor innervation to 1 pharyngeal muscle

Answer 4

CN IX

Question 5

PreGPS to the parotid gland

Answer 5

CN IX

Question 6

Supplies visceral sensory (reflex) from the carotid body & sinus and oropharynx

Answer 6

CN IX

Question 7

where are the lower motor neurons located in the somatic motor pathway for CN IX

Answer 7

nucleus ambiguous

Question 8

what is the peripheral target for the CN IX in the somatic motor pathway

Answer 8

stylopharyngeus muscle

Question 9

where are the preGPS cell bodies located in the PS pathway for CN IX

Answer 9

inferior salivary nucleus

Question 10

what 2 structures do the preGPS fibers form in the PS pathway for IX

Answer 10

tympanic plexus
lesser petrosal n

Question 11

where are the postGPS CBs located in the PS pathway for CN IX

Answer 11

Otic ganglion

Question 12

the postGPS fibers hitch a ride on what CN in the PS pathway of CN IX

Answer 12

CN V3

Question 13

what is the peripheral target of the PS pathway of CN IX

Answer 13

parotid gland

Question 14

the 1st order neurons in the inferior ganglion of CN IX for the somatic sensory pathway of CN IX contribute to what

Answer 14

posterior 1/3 of tongue

Question 15

the 1st order neurons in the superior ganglion of CN IX for the somatic sensory pathway of CN IX contribute to what

Answer 15

middle ear & inner aspect of tympanic membrane

Question 16

In the somatic sensory pathway for CN IX, the central processes from ganglia project to 2nd order cell bodies in the

Answer 16

spinal trigeminal nucleus

Question 17

In the somatic sensory pathway for CN IX, 2nd order CBs send their axons to 3rd order neurons in the

Answer 17

VPM of the thalamus

Question 18

In the somatic sensory pathway for CN IX, 3rd order neurons send their axons to the

Answer 18

inferolateral postcentral gyrus

Question 19

In the visceral sensory pathway for CN IX, the 1st order CBs in the inferior ganglion of CN IX contribute to what 3 things

Answer 19

carotid body
carotid sinus
oropharynx

Question 20

In the visceral sensory pathway for CN IX, the central processes from ganglia project to 2nd order CBs in the

Answer 20

solitary nucleus

Question 21

In the visceral sensory pathway for CN IX, the 2nd order CBs primarily projects fibers through ______ pathways

Answer 21

reflex

Question 22

In the special sensory pathway for CN IX, the 1st order CBs in the inferior ganglion of CN IX have peripheral process that travel from ________ to inferior ganglion of CN IX

Answer 22

posterior 1/3 tongue

Question 23

In the special sensory pathway for CN IX, central process from the inferior ganglion of CN IX project to 2nd order CBs in the

Answer 23

solitary nucleus

Question 24

In the special sensory pathway for CN IX, 2nd order CBs send their axons to 3rd order neurons in the

Answer 24

VMP of the thalamus

Question 25

In the special sensory pathway for CN IX, 3rd order neurons send their axons to the

Answer 25

Insula (gustatory cortex)

Question 26

decreased gag reflex is due to a lesion of CN

Answer 26

IX

Question 27

decreased pain, temperature, and touch form the posterior 1/3 of the tongue is due to a lesion to CN

Answer 27

IX

Question 28

variable presentation of abnormal taste is due to a lesion of CN

Answer 28

IX

Question 29

PreGPS to the thoracic & abdominal viscera (up to the left colic flexure)

Answer 29

CN X

Question 30

Supplies visceral sensory (reflex) from the larynx, pharynx, thorax, & abdomen

Answer 30

CN X

Question 31

Supplies somatic motor innervation to the muscles of the larynx, most of the palatal muscles, & most of the pharyngeal muscles

Answer 31

CN X

Question 32

Supplies somatic sensory to portions of the external ear & tympanic membrane

Answer 32

CN X

Question 33

Supplies taste from the epiglottis

Answer 33

CN X

Question 34

In the PS pathway for CN X, the preGPS CBs are in the

Answer 34

DVMN

Question 35

In the PS pathway for CN X, the preGPS fibers send their axons to CN

Answer 35

CN X

Question 36

In the PS pathway for CN X, the postGPS CBs live in the

Answer 36

wall of the target organ

Question 37

In the PS pathway for CN X, the postGPS fibers live in the

Answer 37

wall of the target organ

Question 38

In the PS pathway for CN X, the peripheral targets are the

Answer 38

thoracic & abdominal viscera (up to the left colic flexure)

Question 39

In the visceral sensory pathway for CN X, the 1st order CBs are in the inferior (nodose) ganglion of CN X which contribute to what 4 things

Answer 39

laryngopharynx larynx thorax abdomen

Question 40

In the visceral sensory pathway for CN X, central processes from ganglia project to 2nd order CBs in the

Answer 40

solitary nucleus

Question 41

In the visceral sensory pathway for CN X, the 2nd order CBs in the solitary nucleus primarily protect fibers through ______ pathways

Answer 41

reflex

Question 42

In the somatic motor pathway for CN X, where are the lower motor neurons located

Answer 42

nucleus ambiguous

Question 43

In the visceral sensory pathway for CN X, axons of LMNs pass through what into the neck

Answer 43

jugular foramen

Question 44

In the visceral sensory pathway for CN X, what are the peripheral targets

Answer 44

Pharyngeal MM. (except for stylopharyngeus M) Laryngeal MM. Most Palatal MM.

Question 45

In the somatic sensory pathway for CN X, the 1st order CBs in the superior ganglion contribute to what 2 things

Answer 45

external ear tympanic membrane

Question 46

In the somatic sensory pathway for CN X, central processes from ganglia project to 2nd order CBs in the

Answer 46

spinal trigeminal nucleus

Question 47

In the somatic sensory pathway for CN X, 2nd order CBs send their axons to 3rd order neurons in the

Answer 47

VPM of the thalamus

Question 48

In the somatic sensory pathway for CN X, 3rd order neurons send their axons to the

Answer 48

inferolateral postcentral gyrus

Question 49

In the special sensory for taste pathway for CN X, 1st order CBs are where

Answer 49

inferior (nodose) ganglion of CN X

Question 50

In the special sensory pathway for CN X, peripheral processes of 1st order CBs travel from the ______ to inferior ganglion of CN X

Answer 50

epiglottis

Question 51

In the special sensory pathway for CN X, central processes project to 2nd order CBs in the

Answer 51

solitary nucleus

Question 52

In the special sensory pathway for CN X, 2nd order CBs send their axons to 3rd order neurons in the

Answer 52

VPM of the thalamus

Question 53

In the special sensory pathway for CN X, 3rd order neurons send their axons to the

Answer 53

insula (gustatory cortex)

Question 54

sagging of soft palate on ipsilateral side is due a lesion from CN

Answer 54

X

Question 55

uvula deviated to normal (contralateral) side can be due to a lesion of CN

Answer 55

X

Question 56

hoarseness can be due to a lesion of CN

Answer 56

X

Question 57

which CNs can contribute to dysphagia (difficulty swallowing)

Answer 57

V, VII, IX, X, or XII

Question 58

In the somatic motor pathway for CN XI, axons project

Answer 58

bilaterally

Question 59

In the somatic motor pathway for CN XI, LMNs are where

Answer 59

accessory nucleus (ventral horn of the upper 5 cervical levels)

Question 60

In the somatic motor pathway for CN XI, axons of LMNs enter the cranial cavity via

Answer 60

foramen magnum

Question 61

In the somatic motor pathway for CN XI, axons of LMNs exit the cranial cavity via

Answer 61

jugular foramen

Question 62

In the somatic motor pathway for CN XI, what are the peripheral targets

Answer 62

trapezius SCM

Question 63

Weakness of shoulder elevation on ipsilateral side is due to a lesion of CN

Answer 63

XI

Question 64

Weakness turning chin to opposite side is due to a lesion of CN

Answer 64

XI

Question 65

In the somatic motor pathway for CN XII, UMNs project

Answer 65

contralaterally ONLY

Question 66

In the somatic motor pathway for CN XII, LMNs are in the

Answer 66

hypoglossal nucleus

Question 67

In the somatic motor pathway for CN XII, axons of LMNs pass through the ________ canal

Answer 67

hypoglossal

Question 68

In the somatic motor pathway for CN XII, what are the peripheral targets

Answer 68

All intrinsic & extrinsic muscles of the tongue EXCEPT palatoglossus muscle

Question 69

Tongue projects to contralateral side of lesion is due to a lesion of the _______ of CN

Answer 69

UMN of CN XII

Question 70

Tongue projects to ipsilateral side of lesion due to a lesion of the _______ of CN

Answer 70

LMN of CN XII

Question 71

atrophy of tongue over time is due to lesion of CN

Answer 71

XII