Test 2: CN Overview Flashcards Preview

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Flashcards in Test 2: CN Overview Deck (49):
1

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

Olfactory
Smell

2

What is the cranial foramina of CN I?

cribiform plate

3

Where is the CNS nucleus for CNI?
What peripheral structure innervated?

olfactory bulb
Olfactory receptors of olfactory epithelium

4

What is CNII and what is it's function?

Optic
Vision

5

What cranial foramina of CN II?

Optic

6

Where is the CNS nucleus of CNII?
Peripheral structure innervated?

LGN
Retina (ganglia cells)

7

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

Oculomotor
Somatic skeletal muscle
Autonomic

8

What cranial foramina does CNII go through?

Superior orbital fissure

9

Where is the CNS nucleus of CNIII?
Peripheral structures innervated?

Autonomic: Edinger-Westphal
-Periph autonom ganglia= Ciliary

Constrictor muscle of iris and cilliary muscle

10

What is CN IV? What is function?

Trochlear
Somatic skeletal muscle

11

Where does CNIV foramina?

superior orbital fissure

12

CNIV CNS nuclues
Periph innervation

trochlear
superior oblique muscles

13

CNV name? Function?

Trigeminal
Somatic sensory and Branchiomeric motor

14

CNV cranial foramin

Opthalamic: superior orbital fissure
Maxillary: rotundum
Mandibular: ovale

15

CNV CNS Nucleus location

Spinal nucleus
Main sensory nucleus
Mesencephalic nucleus
Motor nucleus

16

CNV Peripheral innverated

skin/mucous of head
Muscles in jaw
Tensor tympani
Digastric

17

CNVI name/function

Abducens
Somatic skeletal muscle

18

CNVI foramina

superior orbital fissure

19

CNVI CNS nuclues
Peripheral innervation

Abducens
Lateral rectus muscle

20

CNVII name/function

Facial / Intermediate
Branchiomotor/ taste, somatic sensory, autonomic

21

CNVII foramina

Internal auditory meatus

22

CNVII Peripheral sensory ganglia

Geniculate

23

CNVII CNS nuclues

Facial/ solitary, facial spinal, superior salvitory

24

CNVII peripheral autonomic ganglia

pterygoid
submanidublar

25

CNVII peripheral innervation

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

Facial:
Muscles of facial expression, stapedis

26

CNVIII name/function

Vestibulocochlear
Hearing and balance

27

CNVIII foramin

Internal auditory meatus

28

CNVIII Periphoral sensory ganglia

spiral
vestibular

29

CNVIII CNS nuclus location

cochlear
vestibular

30

CNVIII peripheral innervation

Hair cells in organ of corti
Hair cells in vestibular labrynth

31

CNIX name/function

Glossopharyngeal
somatic sensory, viscerosensory, taste, autonomic, branciomotor

32

CNIX foramina

jugular

33

CNIX peripheral sensory ganglia
Peripher autonomic ganglie

superior, petrosal (inferior)
Otic

34

CNIX CNS nucleus

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

35

CNX name/function

Vagus
somatic sensory. viscerosensory, taste, autonomic, branchiomotor

36

CNX foramina

jugular

37

CNX peripheral sensory ganglia

Jugular, nodose

38

CNX CNS nucleus

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

39

CNX Peripheral autonomic ganglia

peripheral autonomic

40

CNIX peripheral innervated

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

41

CNX peripheral innervated

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

42

CNXI name/fcuntion

Spinal accessory
Branciomotor

43

CNXIforamina

jugular

44

CNXI CNS nucleus

ambiguus
accessory nucleus

45

CNXI peripheral innervation

striated muscle larynx
SCM, traps

46

CNXII name/function

Hypoglossal
Somatic skeletal muscle

47

CNXII formania

Hypoglossal

48

CNXII CNS nucleus

Hypoglossal

49

CNXII peripheral innervation

intrinsic muscles of tongue, hypoglossus, genioglossus, and styloglosus