Unit I Nerves of the neck

Question 1

The tympanic nerve provides senory innervation to

Answer 1

the tympanic cavity

Question 2

The tympanic nerve provides secretomotor innervation to

Answer 2

the parotid gland

Question 3

What nerve senses pain in the otitis media?

Answer 3

the tympanic nerve

Question 4

The branch to the carotid sinus provides sensory innervation to

Answer 4

both the carotid sinus and body

Question 5

What nerves unite to form the pahryngeal plexus?

Answer 5

pahryngeal, vagus,and sympathetic trunk

Question 6

The pharyngeal branch provides sensory innervation to

Answer 6

the pharynx

Question 7

What nerve sense pain in acute pharyngitis?

Answer 7

the pharyngeal branch

Question 8

What gives off an afferent limb in the gag reflex?

Answer 8

the pharyngeal branch

Question 9

The branch to the stylopharyngeus provides motor innervation to what muscle?

Answer 9

stylopharyngeus muscle

Question 10

The tonsillar branch provides sensory innervation to

Answer 10

to the mucous membranes over the tonsil and soft palate

Question 11

The lingual branch provides taste and general sensation to

Answer 11

the posterior 1/3 of the tongue

Question 12

What is the longest cranial nerve?

Answer 12

the vagus (CN X)

Question 13

The two ganglia in the neck of the vagus

Answer 13

superior (jugular), and inferior (nodose) ganglion

Question 14

What does the meningeal branch arise from?

Answer 14

the superior (jugular) ganglion of the vagus

Question 15

What does the meningeal branch supply sensory innervation to?

Answer 15

the dura mater

Question 16

What branch of the vagus may be involed in cervicogenic headaches?

Answer 16

the meningeal branch

Question 17

What does the auricular branch arise from?

Answer 17

the superior (jugular) ganglion

Question 18

The auricular branch supplies sensory innervation to what?

Answer 18

the suricle, floor of the external auditory meatus, and tympanic membrane

Question 19

What branch ofthe vagus senses pain in external otitis?

Answer 19

the auricular branch

Question 20

What does the pharyngeal branch arise from?

Answer 20

the inferior (nodose) ganglion

Question 21

The pharyngeal branch provides motor innervation to

Answer 21

all muscles of the pharynx (except stylopharyngeus) and soft palate (except tensor veli palatini)

Question 22

Where do most of the fibers of the pharyngeal branch originate from?

Answer 22

the cranial part of the accessory nerve

Question 23

Where does the superior laryngeal nerve arise from?

Answer 23

the inferior (nodose) ganglion

Question 24

What are the divisions of the superior laryngeal nerve?

Answer 24

internal and external laryngeal nerves

Question 25

The internal laryngeal nerve provides sensory innervation to

Answer 25

the mucous membrane of the larynx superior to the true vocal cords

Question 26

the external laryngeal nerve provides motor innervation to

Answer 26

the cricothyroid and inferior constrictor muscles

Question 27

What does the recurrent laryngeal nerve arise from?

Answer 27

the vagus within the thorax and ascends back to the neck

Question 28

The recurrent laryngeal nerve provides sensory innervation to

Answer 28

the mucous membranes of the larynx below the true vocal folds, and trachea

Question 29

The recurrent laryngeal nerve provides motor innervation to

Answer 29

all muscles of the larynx except the cricothyroid

Question 30

What would be the clinical significance of unilateral damage to the recurrent laryngeal nerve?

Answer 30

respirtory distress and hoarseness

Question 31

What would be the clinical significance of bilateral damage to the recurrent laryngeal nerve?

Answer 31

aphonia, and could result in possible suffocation from spasming of the larynx

Question 32

What could be casues of damage to the recurrent laryngeal nerve?

Answer 32

thyroid surgery trauma, goiter of thyroid tumor, lung tumor, and aortic aneurysm

Question 33

The accessory nerve is formed by the union of what?

Answer 33

A cranial and spinal part

Question 34

What does the cranial part of the accessory nerve originate from?

Answer 34

the medulla oblongata

Question 35

What does the spinal part of the accessory nerve originate from?

Answer 35

the sides of the spinal cord

Question 36

Where does the cranial part of the accessory nerve join the vagus?

Answer 36

just above the inferior vagal ganglion

Question 37

The crainial part of the accessory nerve provides motor fibers to vagus which travel in

Answer 37

thre pharyngeal branch of vagus and recurrent laryngeal nerve

Question 38

The spinal part of the accessory provides motor innervation to

Answer 38

the SCM and trapezius

Question 39

The hypoglossal nerve provdies motor innervation to

Answer 39

the tongue

Question 40

The meningeal branches of the hypoglassal innervate

Answer 40

the dura mater

Question 41

The superior root of the ansa cervicalis mostly consists of

Answer 41

C1

Question 42

The inferior root of the ansa cervicalis consists mostly of

Answer 42

C2, C3

Question 43

The ansa cervicalis proveds motor innervation to

Answer 43

the infrahyoid muscles

Question 44

The lingual branches of the hypoglossal nerve provides motor innervation to

Answer 44

the extrinsic and intrinsic muscle of the tongue

Question 45

Nerves to the thyrohyoid and geniohyoid provide motor innervation to

Answer 45

the thyrohyoid and geniohyoid muscles

Question 46

What fibers mostly make up the nerves to the thyrohyoid and geniohyoid?

Answer 46

mainly C1 of the ansa cervicalis

Question 47

Where do the preganglionic sympathetic fibers which supply the head and neck originate from?

Answer 47

T1-T3

Question 48

Which cervical sympathetic ganglion supplies everythingin the head?

Answer 48

the superior cervical ganglion

Question 49

At what vertebral levels does the superior cervical ganglion lie?

Answer 49

between cervical vertbra 1-3

Question 50

What are the three branches of the superior cervical ganglion?

Answer 50

internal carotid nerve, superior cervical cardiac nerve, and branches to the pahryngeal plexus

Question 51

At what vertebral level(s) does the middle cervical ganglion lie?

Answer 51

C6

Question 52

List a branch of the middle cervical ganglion

Answer 52

middle cervical cardiac nerve

Question 53

Besides the cardiac plexus, what else does the middle carvical ganglion supply?

Answer 53

the thyroid

Question 54

Being variable, what is the vertebral ganglion usually fused with?

Answer 54

the inferior or middle cervical ganglion

Question 55

At what vertebral level(s) does the vartebral ganglion lie?

Answer 55

C7

Question 56

The cervicothioracic (stellate) ganglion is formed by

Answer 56

the inferior cervical ganglion to the 1st thoracic ganglion

Question 57

At what vertebral levels does the cervicothoracic (stellate) ganglion lie?

Answer 57

C7-T1

Question 58

List a branch of the cervicothoracic (stellate) ganglion

Answer 58

inferior cervical cardiac nerve

Question 59

A nerve bundle which loops anterior to the subclavian artery, connecting the vertebral ganglion to the cervicothoracic (stellate) ganglion

Answer 59

ansa subclavia