Nerves - cranial and cervical plexus

Question 1

types of nerves

Answer 1

somatic motor
visceral motor (parasympathetic)
general sensory
visceral sensory
special sensory

Question 2

CN I

Answer 2

olfactory

Question 3

CN II

Answer 3

optic

Question 4

CN III

Answer 4

oculomotor

Question 5

CN IV

Answer 5

trochlear

Question 6

CN V

Answer 6

trigeminal

Question 7

CN VI

Answer 7

Abducent

Question 8

CN VII

Answer 8

facial

Question 9

CN VIII

Answer 9

vestibulocochlear

Question 10

CN IX

Answer 10

glossopharyngeal

Question 11

CN X

Answer 11

vagus

Question 12

CN XI

Answer 12

accessory

Question 13

CN XII

Answer 13

hypoglossal

Question 14

function of olfactory

Answer 14

special sensory - smell

Question 15

olfactory passes through the

Answer 15

• cribriform plate of ethmoid
• olfactory bulb

Question 16

function of optic

Answer 16

special sensory

Question 17

passes through optic canal

Question 18

the largest cranial nerve?

Answer 18

optic

Question 19

oculomotor function

Answer 19

somatic motor and visceral motor (PS)

supplies superior, inferior, medial rectus mm, inferior oblique
parasympathetic to sphincter of the pupil and ciliary mm of the lens

Question 20

oculomotor passes through

Answer 20

SOF

Question 21

trochlear function

Answer 21

somatic motor

superior oblique mm

Question 22

trochlear passes through

Answer 22

SOF

Question 23

trigeminal function

Answer 23

somatic motor
somatic sensory

mm of mastication

sensory for face

Question 24

opthalmic V1 function and pass through

Answer 24

sensory SOF

Question 25

maxillary V2 function and pass through

Answer 25

sensory foramen rotundum

Question 26

mandibular V3 fucntion and pass through

Answer 26

sensory and motor foramen ovale

Question 27

Abducent function

Answer 27

somatic motor lateral rectus - abducts eye

Question 28

abducent passes through

Answer 28

SOF

Question 29

facial function

Answer 29

* Special sensory (taste) * Somatic sensory * Somatic motor - Visceral motor

Question 30

facial passes through

Answer 30

internal acoustic meatus and facial canal

Question 31

vestibulocochlear function

Answer 31

special sensory - equilibrium, hearing

Question 32

vestibulocochlear passes through

Answer 32

internal acoustic meatus

Question 33

glossopharyngeal function

Answer 33

Everything special sensory somatic sensory visceral sensory somatic motor visceral motor (PS)

Question 34

glossopharyngeal passes through

Answer 34

jugular foramen

Question 35

general sensory supply of the tongue

Answer 35

* Anterior 2/3 ○ Lingual nerve - CN V3 (trigeminal mandibular) * Posterior 1/3 ○ Lingual (CN IX glossopharyngeal) * Root Vagus CN

Question 36

special sensation supply of the tongue

Answer 36

* Anterior 2/3 ○ CN VII - Facial * Posterior 1/3 ○ CNIX - glossopharyngeal * Root of the tongue - sensory nd special sensory (taste) Vagus CN X

Question 37

Vagus nerve function

Answer 37

* Sensory somatic ○ Inferior pharynx ○ Larynx * Sensory visceral ○ Thoracic ad abdominal organs * Special sensory (taste) ○ Root of the tongue ○ Tastebuds on the epiglottis * Somatic motor ○ Soft palate ○ Pharynx ○ Intrinsic laryngeal mm ○ Palatoglossus, elevates the posterior part of the tongue, draws the soft palate onto the tongue * Parasympathetic fibres to the thoracic and abdominal viscera

Question 38

vagus passes through

Answer 38

jugular foramen

Question 39

accessory function

Answer 39

* Somatic motor nerve ○ Soft palate ○ pharynx Sternocleidomastoid, trapezius

Question 40

accessory passes through

Answer 40

jugular foramen

Question 41

function of hypoglossal nerve

Answer 41

motor nerve - most muscles of the tongue (intrinsic and extrinsic)

Question 42

hypoglossal nerve passes through

Answer 42

hypoglossal canal

Question 43

Lesser occipital root levels and supply

Answer 43

C2,3 and skin posterolateral of neck and skull

Question 44

greater auricular root levels and supply

Answer 44

C2,3 and skin over angle of mandible, mastoid process, posterior part of ear

Question 45

Transverse cervical nerve roots and supply

Answer 45

C2,3 and skin over anterior triangle

Question 46

Supraclavicular root levels and supply

Answer 46

C3,4 and skin over anterolateral neck and shoulder