nerves of the neck

Question 1

what are the 5 nerves of the neck?

Answer 1

CN IX X XI and XII and sympathetic trunk 
IX- glossopharyngeal
X- vagus
XI- accessory
XII- hypoglossal 
sympathetic trunk

Question 2

what are the 6 branches of the glossopharyngeal nerve?

Answer 2

Tympanic 
Tonsillar
Branch to Carotid Sinus
Branch to Stylopharyngeus 
Pharyngeal
Lingual

Question 3

tympanic branch is sensory to?

Answer 3

tympanic cavity and secretomotor to parotid

Question 4

branch to carotid sinus is sensory to?

Answer 4

carotid body and sinus

Question 5

pharyngeal branch is sensory to?

Answer 5

pharynx

Question 6

branch of stylopharyngeus is MOTOR to?

Answer 6

stylopharyngeus muscle

Question 7

tonsillar branch is sensory to?

Answer 7

mucous membrane over tonsil and soft palate

Question 8

lingual branch supplies taste and general sensation to?

Answer 8

posterior 3rd of tongue

Question 9

which branch senses pain in otitis media?

Answer 9

tympanic nerve

Question 10

which branch senses sore throat and aids in swallowing?

Answer 10

pharyngeal branch

Question 11

Which is the longest cranial nerve?

Answer 11

Vagus

Question 12

What are the 2 vagus ganglia?

Answer 12

Superior/jugular ganglia

Inferior/nodose ganglia

Question 13

What are the 5 branches of the vagus nerve in the head and neck?

Answer 13

Meningeal
Auricular
Pharyngeal 
Superior Laryngeal
Recurrent Laryngeal

Question 14

The meningeal and auricular arise from what?

Answer 14

Superior ganglion

Question 15

The pharyngeal branch of the vagus arises from?

Answer 15

Inferior ganglion

Question 16

What does the pharyngeal branch of the vagus join with to form a pharyngeal plexus?

Answer 16

It joins with branches of the glossopharyngeal nerve and sympathetic trunk to form the plexus

Question 17

The pharyngeal plexus is motor to all of the muscle of the pharynx and soft palate except?

Answer 17

Stylopharyngeus- glossopharyngeal

tensor veli palatini- trigeminal

Question 18

What does the superior laryngeal nerve arise from and divide into?

Answer 18

Arises from inferior ganglion and divides into internal and external laryngeal

Question 19

The internal laryngeal is sensory or motor?

Answer 19

Sensory- to mucous membrane of larynx

Question 20

The external laryngeal is sensory or motor?

Answer 20

Motor- cricothyroid and inferior constrictor muscles

Question 21

What is the most important nerve of the larynx?

Answer 21

Recurrent laryngeal

Question 22

Is the recurrent laryngeal sensory or motor?

Answer 22

Both
S-mucous membrane of larynx below vocal folds and to trachea
M- all muscles of larynx except cricothyroid

Question 23

What are the 2 parts of the accessory nerve?

Answer 23

Cranial part and spinal part

Question 24

The cranial part of the accessory nerve joins with what just above the inferior vagal ganglion?

Answer 24

Vagus nerve

Question 25

The cranial part of the accessory nerve supplies the vagus with motor fibers which travel to which 2 branches of the vagus nerve?

Answer 25

Pharyngeal branch | Recurrent laryngeal

Question 26

The spinal part of the accessory nerve is motor to what?

Answer 26

The SCM and trapezius muscles

Question 27

What is the hypoglossal nerve CN XII motor to?

Answer 27

Has nothing to do with taste, it's motor to the tongue

Question 28

What are the 4 branches of the hypoglossal nerve?

Answer 28

Meningeal Branches Superior root of ansa cervicalis Nerves to thyrohyoid and geniohyoid Lingual branches- motor to extrinsic and intrinsic muscles of tongue

Question 29

Preganglionic sympathetic fibers which supply structures of the head and neck originate from?

Answer 29

T1-T3

Question 30

Postganglionic fibers distribute from the ganglia to?

Answer 30

Blood vessels, smooth muscle and glands of head and neck

Question 31

What are the 4 branches of cervical sympathetic ganglia

Answer 31

Superior cervical ganglion Middle cervical ganglion Vertebral ganglion Cervicothoracic (stellate) ganglion

Question 32

Which is the largest sympathetic ganglion in the body?

Answer 32

Superior cervical ganglion- provides sympathetic innervation to everything in the head

Question 33

What are the branches of the superior cervical ganglion?

Answer 33

Internal carotid nerve Branches to the pharyngeal plexus Superior Cervical Cardiac Nerve IBS

Question 34

The middle cervical ganglion gives rise to what?

Answer 34

A branch to the thyroid gland

Question 35

What is the branch of the middle cervical ganglion?

Answer 35

Middle cervical cardiac nerve

Question 36

The vertebral ganglion lies where

Answer 36

C7- sometimes is fused and gives off a branch to plexus along vertebral artery

Question 37

What is the ansa subclavia?

Answer 37

A nerve bundle which loops anterior to the subclavian artery connecting the vertebral ganglion to the cervicothoracic ganglion