CN X

Question 0

What cerebral hemisphere does nucleus ambiguous receive info from

Answer 0

both cerebral hemispheres

Question 1

Where are cell bodies of motor fibers carried in vagus located

Answer 1

nucleus ambiguous

Question 2

Where do pregang parasympathetic fibers arise from

Answer 2

posterior (dorsal) nucleus of the vagus

Question 3

Where do preganglionic parasympathetic receive info from

Answer 3

indirectly receive info from hypothalamus and carotid sinus

Question 4

Somatic sensory info terminates where

Answer 4

spinal nucleus of CN V

Question 5

Taste and viserosensory terminate where

Answer 5

nucleus soliatius

Question 6

What ganglia associated with CN X

Answer 6

superior and inferior ganglion

Question 7

Superior Ganglion aka

Answer 7

Jugular ganglion

Question 8

Inferior ganglion aka

Answer 8

Nodose ganglion

Question 9

General sensory (somatic sensory) cell bodies in the superior gangion terminate in

Answer 9

spinal nucleus of CN V

Question 10

Taste from epiglottis cell bodies in inferior ganglion travel to

Answer 10

superior part of nucleus solitarius

Question 11

Visceral sensory cell bodies in inferior ganglion travel to

Answer 11

inferior part of nucleus solitarius

Question 12

Where does the vagus nerve originate

Answer 12

lateral aspect of MO

Question 13

Where does vagus nerve exit the skull

Answer 13

jugular foramen

Question 14

What branches off before vagus nerve exits skull

Answer 14

meningeal branch

Question 15

what does the meningeal branch supply

Answer 15

dura of posterior cranial fossa

Question 16

How is the jugular foramen organized

Answer 16

split in 1/2 by fibrous septum

(X) Vagus and (XI) accessory nerve lie anterior to septum
(IX) glossophargeal lies posterior to septum

Question 17

Where are the inferior and superior ganglion located

Answer 17

superior just inside jugular foramen

inferior just inferior to jugular foramen

Question 18

Where is the auricular branch given off

Answer 18

at superior ganglion

Question 19

What is the path of the auricular branch

Answer 19

through mastoid canaliculus and tympanomastoid fissure to external acoustic meatus

Question 20

What info does auricular branch carry

Answer 20

sensory info from meatus and small portion of auricle

Question 21

After exiting the jugular foramen, vagus nerve runs with what

Answer 21

internal jugular vein and internal carotid artery in carotid sheath

Question 22

Runs with what, inferior to carotid bifurcation?

Answer 22

common carotid and internal jugular vein

Question 23

What 2 branches are given off at inferior ganglion

Answer 23

pharyngeal branches and branches to carotid

Question 24

what is pharyngeal plexus

Answer 24

pharyngeal branch, sympathetic fibers from sympathetic trunk, and fibers from CN IX

Question 25

What does pharyngeal branch supply

Answer 25

motor to pharyngeal constrictors and levator veli palatine muscles

Question 26

What do branches to carotid carry

Answer 26

viscerosensory about chemoreceptors in carotid body

Question 27

Where will the superior laryngeal nerve branch off

Answer 27

just inferior to inferior ganglion

Question 28

Superior laryngeal splits into what

Answer 28

external and internal laryngeal

Question 29

External laryngeal supply

Answer 29

motor supply to cricothyroid

Question 30

Internal laryngeal supply

Answer 30

Sensory to laryngeal mucosa superior to vocal cords

Question 31

What does the recurrent laryngeal supply

Answer 31

motor to all muscles of larynx minus cricothyroid | sensory to larynx inferior to vocal cords

Question 32

Path of left recurrent laryngeal

Answer 32

passes infront and under aortic arch

Question 33

Right recurrent laryngeal

Answer 33

passes posterior under subclavian artery before ascending

Question 34

What do superior and inferior cervical cardiac branches carry

Answer 34

parasympathetic info to cardiac plexus

Question 35

Where do superior cervical cardiac branches come from

Answer 35

leave vagus nerve and travel with great vessels to cardiac plexus

Question 36

Where do inferior cervical cardiac branches come from

Answer 36

given off by recurrent laryngeal and travel to cardiac plexus

Question 37

One branch (superior or inferior) carries viscerosensory info, concerning what

Answer 37

pressure on wall of aorta | nerve stimulated when aortic pressure is too high

Question 38

what does the vagus do in the thorax

Answer 38

passes posterior to root of ipsilateral lung

Question 39

route of right vagus after thorax

Answer 39

becomes posterior vagal trunk

Question 40

Route of left vagus after thorax

Answer 40

becomes anterior vagal trunk