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NBCE Part 1 > Set 5 CN's > Flashcards

Set 5 CN's Flashcards

1
Q

What is cranial nerve I?

A

olfactory

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2
Q

Where does CN I exit?

A

cribriform plate?

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3
Q

What is the function of CN I?

A

sensory- smell

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4
Q

What is cranial nerve II?

A

optic

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5
Q

Where does CN II exit?

A

optic canal

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6
Q

What is the function of CN II?

A

sensory- vision

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7
Q

What is cranial nerve III?

A

Occulomotor

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8
Q

Where does CN III exit?

A

superior orbital fissure

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9
Q

What is the function of CN III?

A

motor- eye muscles EXCEPT lateral rectus and superior oblique

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10
Q

What is the smallest CN?

A

trochlear

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11
Q

Where does CN III synapse?

A

Edinger Westphal nucleus

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12
Q

What is cranial nerve IV?

A

Trochlear

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13
Q

What is the function of CN IV?

A

motor- superior oblique

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14
Q

Where does CN IV exit?

A

superior orbital fissure

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15
Q

What is cranial nerve V?

A

Trigeminal

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16
Q

What are the three branches of CN V?

A

Opthalmic, maxillary, and mandibular

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17
Q

Where does CN Va exit?

A

superior orbital fissure

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18
Q

Where does CN Vb exit?

A

foramen rotundum

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19
Q

Where does CN Vc exit?

A

foramen ovale

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20
Q

What is the function of CN V?

A

sensory- face and tongue motor- muscles of mastication

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21
Q

What pathology is associated with CN V?

A

tic douloreux aka trigeminal neuralgia

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22
Q

What is the largest CN?

A

CN V

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23
Q

Where does CN V synapse?

A

Gasserian, Semilunar, or Trigeminal ganglion

24
Q

What is cranial nerve VI?

A

Abducens

25
Q

Where does CN VI exit?

A

superior orbital fissure

26
Q

What is the function of CN VI?

A

motor- lateral rectus

27
Q

What is cranial nerve VII?

A

Facial

28
Q

Where does CN VII travel and exit?

A

internal auditory meatus exits through stylomastoid foramen

29
Q

What is the function of CN VII?

A

sensory- sweet, salty, sour ANT 2/3 of tongue motor- facial expression

30
Q

Where does CN VII synapse?

A

superior salivatory nucleus

31
Q

What pathology is associated with CN VII?

A

Bell’s Palsy

32
Q

What is cranial nerve VIII?

A

vestibulocochlear

33
Q

Where does CN VIII exit?

A

internal auditory meatus

34
Q

What is the function of CN VIII?

A

sensory- balance and hearing

35
Q

Where does CN VIII synapse?

A

vestibular ganglion of scarpa

36
Q

What is cranial nerve IX?

A

Glossopharyngeal

37
Q

Where does CN IX exit?

A

jugular foramen

38
Q

What is the function of CN IX?

A

sensory- taste POST 1/3 of tongue motor- secretion of parotid gland

39
Q

Where does CN IX synapse?

A

nucleus ambiguous (inferior salvatory)

40
Q

What is cranial nerve X?

A

vagus

41
Q

Where does CN X exit?

A

jugular foramen

42
Q

What is the function of CN X?

A

sensory- bitter taste epiglottis, external auditory meatus motor- pharynx and larynx

43
Q

Where does CN X synapse?

A

parasympathetic dorsal motor nucleus

44
Q

What is cranial nerve XI?

A

spinal accessory

45
Q

Where does CN XI exit?

A

jugular foramen

46
Q

What is the function of CN XI?

A

motor- SCM and Trapezius

47
Q

Where does CN XI synapse?

A

nucleus ambiguous

48
Q

What is cranial nerve XII?

A

hypoglossal

49
Q

Where does CN XII exit?

A

hypoglossal canal

50
Q

What is the function of CN XII?

A

motor- tongue

51
Q

Where does CN XII synapse?

A

hypoglossal nucleus

52
Q

What CNs are parasympathetic?

A

III, IV, IX, and X

53
Q

Where does the middle meningeal artery exit?

A

foramen spinosum

54
Q

Where does the internal carotid artery exit?

A

foramen lacerum

55
Q

What does damage to the Pterion cause?

A

damage to the middle meningeal artery and possible death

NBCE Part 1 (40 decks)

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