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gross anatomy 2 palmer > nerves of the neck > Flashcards

nerves of the neck Flashcards

1
Q

what are the 5 nerves of the neck?

A 
CN IX X XI and XII and sympathetic trunk 
IX- glossopharyngeal
X- vagus
XI- accessory
XII- hypoglossal 
sympathetic trunk
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2
Q

what are the 6 branches of the glossopharyngeal nerve?

A 
Tympanic 
Tonsillar
Branch to Carotid Sinus
Branch to Stylopharyngeus 
Pharyngeal
Lingual
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3
Q

tympanic branch is sensory to?

A

tympanic cavity and secretomotor to parotid

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4
Q

branch to carotid sinus is sensory to?

A

carotid body and sinus

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5
Q

pharyngeal branch is sensory to?

A

pharynx

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6
Q

branch of stylopharyngeus is MOTOR to?

A

stylopharyngeus muscle

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7
Q

tonsillar branch is sensory to?

A

mucous membrane over tonsil and soft palate

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8
Q

lingual branch supplies taste and general sensation to?

A

posterior 3rd of tongue

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9
Q

which branch senses pain in otitis media?

A

tympanic nerve

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10
Q

which branch senses sore throat and aids in swallowing?

A

pharyngeal branch

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11
Q

Which is the longest cranial nerve?

A

Vagus

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12
Q

What are the 2 vagus ganglia?

A

Superior/jugular ganglia

Inferior/nodose ganglia

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13
Q

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

A 
Meningeal
Auricular
Pharyngeal 
Superior Laryngeal
Recurrent Laryngeal
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14
Q

The meningeal and auricular arise from what?

A

Superior ganglion

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15
Q

The pharyngeal branch of the vagus arises from?

A

Inferior ganglion

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16
Q

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

A

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

17
Q

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

A

Stylopharyngeus- glossopharyngeal

tensor veli palatini- trigeminal

18
Q

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

A

Arises from inferior ganglion and divides into internal and external laryngeal

19
Q

The internal laryngeal is sensory or motor?

A

Sensory- to mucous membrane of larynx

20
Q

The external laryngeal is sensory or motor?

A

Motor- cricothyroid and inferior constrictor muscles

21
Q

What is the most important nerve of the larynx?

A

Recurrent laryngeal

22
Q

Is the recurrent laryngeal sensory or motor?

A

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

23
Q

What are the 2 parts of the accessory nerve?

A

Cranial part and spinal part

24
Q

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

A

Vagus nerve

25
Q

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

A

Pharyngeal branch

Recurrent laryngeal

26
Q

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

A

The SCM and trapezius muscles

27
Q

What is the hypoglossal nerve CN XII motor to?

A

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

28
Q

What are the 4 branches of the hypoglossal nerve?

A

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

29
Q

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

A

T1-T3

30
Q

Postganglionic fibers distribute from the ganglia to?

A

Blood vessels, smooth muscle and glands of head and neck

31
Q

What are the 4 branches of cervical sympathetic ganglia

A

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

32
Q

Which is the largest sympathetic ganglion in the body?

A

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

33
Q

What are the branches of the superior cervical ganglion?

A

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

IBS

34
Q

The middle cervical ganglion gives rise to what?

A

A branch to the thyroid gland

35
Q

What is the branch of the middle cervical ganglion?

A

Middle cervical cardiac nerve

36
Q

The vertebral ganglion lies where

A

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

37
Q

What is the ansa subclavia?

A

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

gross anatomy 2 palmer (16 decks)

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