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Jason's Neuro Block > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

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1
Q 
Olfactory
Number:
Type of fibre:
Structure innervated:
Function
Nuclei location:
foramen:
ganglia:
Nuclei:
A

I

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2
Q

Which Cranial Nerves are pure sensory?

A

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

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3
Q

Which Cranial Nerves are pure motor?

A 
III (occulomotor)
IV (trochlear)
VI (abducens)
XI (accessory)
XII (hypoglossal)
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4
Q

Which Cranial Nerves are mixed?

A

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

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5
Q

Which Cranial Nerves have no nuclei?

A

I

II

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6
Q

3 Motor Cranial Nerve Columns?

A

somatic motor
Branchial
Visceral (Autonomic)

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7
Q

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

A

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

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8
Q

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

A

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

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9
Q

What is the nucleus ambiguous? where is it?

A

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

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10
Q

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

A

IX: stylopharyngeus
X: levator palati

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11
Q

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

A

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

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12
Q

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

A

somatic motor column

midbrain

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13
Q

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

A

somatic motor column

medulla

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14
Q

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

A

Branchial (medulla)

Autonomic (medulla)

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15
Q

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

A

V3 Pons

branchial

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16
Q

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

A

Branchial

Pons

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17
Q

What are the 3 sensory Cranial Nerve Nuclei columns?

A

Laterally located

  1. Visceral
  2. somatic
  3. special
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18
Q

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

A

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

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19
Q

What is in the rostral part of nucleus solitarius?

A

gustatory nucleus (VII, IX, X)

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20
Q

What is in the caudal part of nucleus solitarius?

A

Visceral sensory

IX, X

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21
Q

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

A 
Face
V (Trigeminal) (Midbrain/Pons)
skin behind ear and ext. auditory meatus
VII (pons)
IX (pons)
X (medulla)
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22
Q

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

A

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

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23
Q

Nucleus ambiguous: which nuclei? which column?

A

Branchial
IX
X

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24
Q

Nucleus solitarius: which nuclei? which column?

A

visceral afferents
VII
IX
X

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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

Jason's Neuro Block (54 decks)

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