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_Anat./GIE #4 > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

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1
Q

Name the 12 cranial nerves.

A 
I olfactory
II optic
III oculomotor
IV trochlear
V trigeminal
VI abducens
VII facial
VIII vestibulocochlear (acoustic)
IX glossopharyngeal
X vagus
XI spinal accessory
XII hypoglossal
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2
Q

What are the 6 types of fibers carried by cranial nerves?

A
  1. somatic motor
  2. visceral motor
  3. somatic sensory
  4. visceral sensory
  5. special sensory
  6. branchial motor
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3
Q

What are the 8 sensory ganglia of the cranial nerves?

A
  1. semilunar
  2. geniculate
  3. spiral
  4. vestibular
  5. inferior & superior of CN IX
  6. inferior & superior of CN X
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4
Q

What are the 5 parasympathetic ganglia of the cranial nerves?

A
  1. ciliary
  2. pterygopalatine
  3. submandibular
  4. otic
  5. intramural (in wall of organ)
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5
Q

What are the fiber types of the parasympathetic ganglia?

A

visceral motor

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6
Q

With which cranial nerve is the semilunar ganglion associated?

A

CN V

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7
Q

With which cranial nerve is the geniculate ganglion associated?

A

CN VII

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8
Q

With which cranial nerve is the spiral ganglion associated?

A

CN VIII

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9
Q

With which cranial nerve is the vestibular ganglion associated?

A

CN VIII

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10
Q

With which cranial nerve are the inferior & superior sensory ganglia associated?

A

CN IX has a pair; CN X has a pair

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11
Q

What is the mnemonic for remembering which cranial nerves are sensory and which are motor?

A

Some Say Marry Money But My Brother Says Big Brains Matter Most

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12
Q

What cranial nerve innervates the palate, pharynx, and larynx?

A

X - vagus

except stylopharyngeus muscle

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13
Q

What nerve innervates the stylopharyngeus muscle?

A

IX - glossopharyngeal

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14
Q

What nerve innervates the tongue (motor)?

A

XII - hypoglossal

except palatoglossus - X

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15
Q

What nerves innervate the suprahyoid muscles?

A

C1
VII
nerve to mylohyoid

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16
Q

What nerves innervate the infrahyoid muscles?

A 
ansa cervicalis (C1, C2, C3)
C1
17
Q

What nerves innervate the styloid muscles?

A

stylohyoid: VII
stylopharyngeus: IX
styloglossus: XII

18
Q

What nerve innervates the muscles of mastication?

A

V3 (mandibular branch of trigeminal)

19
Q

What are the nerves of taste?

A

palate: VII
anterior 2/3 of tongue: VII
posterior 1/3 of tongue: IX
base of tongue & epiglottis: X

20
Q

What cranial nerve gives rise to the preganglionic parasympathetic fibers to sphincter pupillae & ciliary muscle?

A

III

21
Q

What cranial nerve gives rise to the preganglionic parasympathetic fibers to lacrimal gland?

A

VII

22
Q

What cranial nerve gives rise to the preganglionic parasympathetic fibers to mucous glands of nasal cavity & paranasal sinuses?

A

VII

23
Q

What cranial nerve gives rise to the preganglionic parasympathetic fibers to minor salivary glands of palate & upper mucosa?

A

VII

24
Q

What cranial nerve gives rise to the preganglionic parasympathetic fibers to submandibular gland, sublingual gland, and minor salivary glands of floor of mouth?

A

VII

25
Q

What cranial nerve gives rise to the preganglionic parasympathetic fibers to parotid gland?

A

IX

26
Q

What cranial nerve gives rise to the preganglionic parasympathetic fibers to mucous glands of pharynx & larynx?

A

X

27
Q

If you have a middle ear infection, what nerve carries the pain sensation?

A

IX

28
Q

What special sensory function does the glossopharyngeal nerve have?

A

taste for posterior 1/3 of tongue

29
Q

What general sensory function does the glossopharyngeal nerve have?

A

posterior 1/3 of tongue, inner surface of TM, tympanic cavity, auditory tube, pharynx

30
Q

What visceral sensory function does the glossopharyngeal nerve have?

A

carotid body & sinus

31
Q

What branchial motor function does the glossopharyngeal nerve have?

A

stylopharyngeus muscle

32
Q

What do the carotid body & carotid sinus sense?

A

carotid body: O2

carotid sinus: BP

33
Q

What is innervated by the hypoglossal nerve?

A

All intrinsic and extrinsic muscles of the tongue except palatoglossus (vagus)

34
Q

What is innervated by the spinal accessory nerve?

A

sternocleidomastoid, trapezius

35
Q

With which nerve is the ciliary ganglion associated?

A

III

36
Q

With which nerve is the pterygopalatine ganglion associated?

A

VII

37
Q

With which nerve is the submandibular ganglion associated?

A

VII

38
Q

With which nerve is the otic ganglion associated?

A

IX

39
Q

With which nerve is the intramural (in wall of organ) associated?

A

X

_Anat./GIE #4 (15 decks)

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