Cranial Nerves Flashcards Preview

Jason's Neuro Block > Cranial Nerves > Flashcards

Flashcards in Cranial Nerves Deck (65):
1

Olfactory
Number:
Type of fibre:
Structure innervated:
Function
Nuclei location:
foramen:
ganglia:
Nuclei:

I

2

Which Cranial Nerves are pure sensory?

I (olfactory)
II (optic)
VIII (vestibulocochlear)

3

Which Cranial Nerves are pure motor?

III (occulomotor)
IV (trochlear)
VI (abducens)
XI (accessory)
XII (hypoglossal)

4

Which Cranial Nerves are mixed?

V (Trigeminal)
VII (Facial)
IX (glossopharyngeal)
X (vagus)

5

Which Cranial Nerves have no nuclei?

I
II

6

3 Motor Cranial Nerve Columns?

somatic motor
Branchial
Visceral (Autonomic)

7

Cranial Nerve Nuclei in the somatic motor column? which part of the brainstem?

II (midbrain) olfactory
IV (Midbrain) trochlear
VI (Pons) Abducens
XII (medulla) Hypoglossal

8

Cranial Nerve Nuclei in the branchial? which part of brainstem?

V (V3 mandibular) Pons
VII: (Facial) Pons
IX: (Medulla)
X: (Medulla)

9

What is the nucleus ambiguous? where is it?

Nuclei for branchial IX, X in the medulla behind the inferior olive

10

Cranial Nerve Nuclei IX, X in the nucleus ambiguous innervates what?

IX: stylopharyngeus
X: levator palati

11

Visceral efferents of Cranial Nerve Nuclei motor: which ones? where in brainstem?

III (midbrain) (Edinger-Westfall)
VII (Facial) (Pons) (superior salivatory)
IX (Medulla, Pons, inferior salivatory)
X (Medulla, dorsal motor nucleus of vagus)

12

Cranial Nerve Nuclei II is in which part of brainstem and which motor column?

somatic motor column
midbrain

13

Cranial Nerve Nuclei XII is in which part of brainstem and which column?

somatic motor column
medulla

14

Cranial Nerve Nuclei X is in which part of brainstem and which motor column?

Branchial (medulla)
Autonomic (medulla)

15

Cranial Nerve Nuclei V is in which part of brainstem and which motor column?

V3 Pons
branchial

16

Cranial Nerve Nuclei VII is in which part of brainstem and which motor column?

Branchial
Pons

17

What are the 3 sensory Cranial Nerve Nuclei columns?

Laterally located
1. Visceral
2. somatic
3. special

18

Nucleus solitarius is where and what Cranial Nerve Nuclei are in it?

visceral afferent column
taste: VII, IX, X
Autonomic: IX, X

19

What is in the rostral part of nucleus solitarius?

gustatory nucleus (VII, IX, X)

20

What is in the caudal part of nucleus solitarius?

Visceral sensory
(IX, X)

21

Cranial Nerve Nuclei for somatic sensory are? where in brainstem?

Face
V (Trigeminal) (Midbrain/Pons)
skin behind ear and ext. auditory meatus
VII (pons)
IX (pons)
X (medulla)

22

Cranial Nerve Nuclei for special sensory are? where in brainstem?

I (CNS)
II (CNS)
VIII Pons/medulla

23

Nucleus ambiguous: which nuclei? which column?

Branchial
IX
X

24

Nucleus solitarius: which nuclei? which column?

visceral afferents
VII
IX
X

25

Visceral sensory division of nucleus solitarius is found where?

Caudal Medulla

26

gustatory nucleus of nucleus solitarius is found where?

rostral medulla

27

Olfactory does what? exits?

smell
cribiform plate

28

optic: what kind of nerve? exit?

special sensory
optic canal

29

Cranial Nerve III, IV, VI exit where?

superior orbital fissure

30

Cranial Nerve IV innervates what?

Trochlear
superior oblique

31

Cranial Nerve VI innervates what?

Abducens
lateral rectus

32

CN III innervates?

4 muscles that aren't superior oblique/lateral rectus

superior rectus
inferior rectus
medial rectus
inferior oblique

33

what kind of nerve is CN III

somatic motor
visceral motor (parasympathetic)

34

besides moving extraocular muscles, what else does CN III do somatic motor?

elevates eyelid

35

Superior oblique of eye innervated by?

IV Trochlear

36

Lateral rectus of eye innervated by?

VI Abducens

37

What parasympathetic/visceral efferent does CNIII do?

Iris (pupils)
Ciliary muscle (focussing)

38

What Cranial Nerves are in the superior orbital fissure?

III
IV
VI
V1

39

What Cranial Nerves exits the internal auditory meatus?

VII
VIII

40

What Cranial Nerves exits jugular foramen?

IX
X
XI

41

What part of brain stem does pupillary light reflex test? How?

Midbrain
Sensory: II
Motor: III (edinger westphal)

42

Trigeminal nerve is what kind of nerve? which columns nuclei?

somatic sensory
branchial motor

43

3 things the trigeminal does:

sensory: face(mouth)
motor chew
tensor tempani

44

4 trigeminal nuclei are? for what?

Mesenphalic (proprioception)
Chief sensory (face, head)
Spinal trigeminal nucleus (pain)
motor nucleus (chew)

45

what makes up the trigeminal ganglion?

sensory roots only

46

path of motor trigeminal?

travels with mandibular V3
chewing
tensor tympani

47

Corneal blink reflex tests what? via which pathways?

pons
CNV1 opthalmic
CNVII Facial obicularis oculi

48

Facial nerve nuclei is part of 4 columns:

Branchial
visceral motor
visceral sensory (taste)
somatic sensory

49

3 motor functions of facial nerve?

1. facial expression
2. stapedius muscle
3. digastric muscle

50

which CN for tensor tympani? which for stapedius?

Trigeminal tympani
seventh (facial) stapedius

51

Which column does facial nerve proper come from?

branchial motor

52

Nervous intermedius is part of which CN? functions? (3)

facial: VII
Parasympathetic
taste
sensation

53

5 branches of facial?

temporal
zygomatic
buccal
marginal mandibular
cervical

54

CNVII is for what?

hearing/balance

55

CNVII nuclei where? how many?

dorsal/ventral cochlear
4 vestibular

56

CN VIII exits where? with what?

internal acoustic meatus
with facial nerve

57

what innervates the parotid?

glossopharyngeal CN IX

58

glossopharyngeal innervates what sensory in the mouth?

1. post 1/3 tongue, parynx, middle ear, carotid body
2. Taste: post 1/3

59

where does CN IX exit skull?

jugular foramen

60

CNX main role?

autonomic regulation of viscera

61

gag reflex tests? via which nerves

medulla
sensory: IX
motor: X

62

where is the spinal accessory nuclei?

upper 506 cervical spinal cord

63

CNXI pathway? innervates which main muscles?

1. into foramen magnum, travels with vagus and exits jugular foramen
2. innervates sternocleidomastoid and trapzius

64

XII innervates what?

somatic motor to all muscles of tongue

65

XII exits?

hypoglossal canal