Test 2: CN Overview

Question 1

What is CN I and what is it’s function?

Answer 1

Olfactory

Smell

Question 2

What is the cranial foramina of CN I?

Answer 2

cribiform plate

Question 3

Where is the CNS nucleus for CNI?

What peripheral structure innervated?

Answer 3

olfactory bulb

Olfactory receptors of olfactory epithelium

Question 4

What is CNII and what is it’s function?

Answer 4

Optic

Vision

Question 5

What cranial foramina of CN II?

Answer 5

Optic

Question 6

Where is the CNS nucleus of CNII?

Peripheral structure innervated?

Answer 6

LGN

Retina (ganglia cells)

Question 7

What is CNIII? What are it’s 2 functions?

Answer 7

Oculomotor
Somatic skeletal muscle
Autonomic

Question 8

What cranial foramina does CNII go through?

Answer 8

Superior orbital fissure

Question 9

Where is the CNS nucleus of CNIII?

Peripheral structures innervated?

Answer 9

Autonomic: Edinger-Westphal
-Periph autonom ganglia= Ciliary

Constrictor muscle of iris and cilliary muscle

Question 10

What is CN IV? What is function?

Answer 10

Trochlear

Somatic skeletal muscle

Question 11

Where does CNIV foramina?

Answer 11

superior orbital fissure

Question 12

CNIV CNS nuclues

Periph innervation

Answer 12

trochlear

superior oblique muscles

Question 13

CNV name? Function?

Answer 13

Trigeminal

Somatic sensory and Branchiomeric motor

Question 14

CNV cranial foramin

Answer 14

Opthalamic: superior orbital fissure
Maxillary: rotundum
Mandibular: ovale

Question 15

CNV CNS Nucleus location

Answer 15

Spinal nucleus
Main sensory nucleus
Mesencephalic nucleus
Motor nucleus

Question 16

CNV Peripheral innverated

Answer 16

skin/mucous of head
Muscles in jaw
Tensor tympani
Digastric

Question 17

CNVI name/function

Answer 17

Abducens

Somatic skeletal muscle

Question 18

CNVI foramina

Answer 18

superior orbital fissure

Question 19

CNVI CNS nuclues

Peripheral innervation

Answer 19

Abducens

Lateral rectus muscle

Question 20

CNVII name/function

Answer 20

Facial / Intermediate

Branchiomotor/ taste, somatic sensory, autonomic

Question 21

CNVII foramina

Answer 21

Internal auditory meatus

Question 22

CNVII Peripheral sensory ganglia

Answer 22

Geniculate

Question 23

CNVII CNS nuclues

Answer 23

Facial/ solitary, facial spinal, superior salvitory

Question 24

CNVII peripheral autonomic ganglia

Answer 24

pterygoid

submanidublar

Question 25

CNVII peripheral innervation

Answer 25

Intermed: taste ant 2/3rd tongue, palate skin of external ear lacrimal grlands, nasal mucosa glands, salivary glands Facial: Muscles of facial expression, stapedis

Question 26

CNVIII name/function

Answer 26

Vestibulocochlear | Hearing and balance

Question 27

CNVIII foramin

Answer 27

Internal auditory meatus

Question 28

CNVIII Periphoral sensory ganglia

Answer 28

spiral | vestibular

Question 29

CNVIII CNS nuclus location

Answer 29

cochlear | vestibular

Question 30

CNVIII peripheral innervation

Answer 30

Hair cells in organ of corti | Hair cells in vestibular labrynth

Question 31

CNIX name/function

Answer 31

Glossopharyngeal | somatic sensory, viscerosensory, taste, autonomic, branciomotor

Question 32

CNIX foramina

Answer 32

jugular

Question 33

CNIX peripheral sensory ganglia | Peripher autonomic ganglie

Answer 33

superior, petrosal (inferior) | Otic

Question 34

CNIX CNS nucleus

Answer 34

``` Somat sense: Spinal nucleus of CNV Viscerosens: Caudal Solitary nucleus Taste: Rostral solitary nucleus Autonom: Inferior salvitory nucleus Branch: Ambigguus ```

Question 35

CNX name/function

Answer 35

Vagus | somatic sensory. viscerosensory, taste, autonomic, branchiomotor

Question 36

CNX foramina

Answer 36

jugular

Question 37

CNX peripheral sensory ganglia

Answer 37

Jugular, nodose

Question 38

CNX CNS nucleus

Answer 38

``` Somat: Spinal nucleus Viscerosens: Solitary nucleus caudal Taste: solitary nucleus rostral Autonom: Dorsal motor nucleus of X Branch: Ambiguus ```

Question 39

CNX Peripheral autonomic ganglia

Answer 39

peripheral autonomic

Question 40

CNIX peripheral innervated

Answer 40

skin of external ear mucous membranes of pharyngeal, middle ear, carodtid, body, sinus parotid gland striated muscle of pharynx

Question 41

CNX peripheral innervated

Answer 41

``` Skin of external ear larynx, trachea, gut, aortic arch taste buds gut striated muscles of palate, pharynx, and larynx ```

Question 42

CNXI name/fcuntion

Answer 42

Spinal accessory | Branciomotor

Question 43

CNXIforamina

Answer 43

jugular

Question 44

CNXI CNS nucleus

Answer 44

ambiguus | accessory nucleus

Question 45

CNXI peripheral innervation

Answer 45

striated muscle larynx | SCM, traps

Question 46

CNXII name/function

Answer 46

Hypoglossal | Somatic skeletal muscle

Question 47

CNXII formania

Answer 47

Hypoglossal

Question 48

CNXII CNS nucleus

Answer 48

Hypoglossal

Question 49

CNXII peripheral innervation

Answer 49

intrinsic muscles of tongue, hypoglossus, genioglossus, and styloglosus