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Anatomy term 1 > C Cranial nerves > Flashcards

C Cranial nerves Flashcards

1
Q

Where are cranial nerve nuclei?

A

in brainstem

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2
Q

Where are the sensory nuclei located?

A

laterally

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3
Q

Where is the motor nuclei located?

A

medially

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4
Q

What is cranial nerve I?

A

olfactory nerve

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5
Q

What is the location of CN 1?

A

olfactory bulbs, tracts and forebrain

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6
Q

What foramen does the CN 1 pass through?

A

cribiform plate

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7
Q

What is the function of CN 1?

A

smell = olfaction

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8
Q

What is the test for CN 1?

A

offer familiar smell - orange

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9
Q

What is CN II?

A

Optic nerve

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10
Q

What is the location for CN II?

A

Optic chiasma, optic tract and diencephalon

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11
Q

What foramen does CN II pass through?

A

optic canal

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12
Q

What is the function of CN II?

A

vision

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13
Q

Where are the olfactory and the optic nerve derived from?

A

Forebrain

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14
Q

What is CN III?

A

Occulomotor nerve

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15
Q

What is the location of the CN III?

A

pontomesencephalic junction

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16
Q

What is the foramen for CN III?

A

Superior orbital fissure

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17
Q

What is the function of CN III?

A

4/6 Extraoccular muscles

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18
Q

What is the test for CN III?

A

follow finger

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19
Q

What is CN IV?

A

trochlear nerve

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20
Q

What is location for CN IV?

A

dorsal midbrain

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21
Q

What foramen does CN iV run through?

A

superior orbital fissure

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22
Q

What is the function of CN IV?

A

superior oblique (SO4)

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23
Q

What is the test for CN IV?

A

follow finger test

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24
Q

What is CN VI?

A

Abducens

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25
Q

What is location for CN VI?

A

pontomedullary junction

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26
Q

What is the foramen for CN VI?

A

superior orbital fissure

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27
Q

What is the function of CN VI?

A

Lateral rectus (LR6)

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28
Q

What is the test for CN VI?

A

follow finger test

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29
Q

What is CN V?

A

Trigeminal nerve

30
Q

What are the division for CN V?

A

V1 - opthalmic nerve

V2 - Maxillary nerve

V3 - mandibular nerve

31
Q

What is the location for CN V1?

A

Pons

32
Q

What foramen does CN V1 go through?

A

Superior orbital fissure

33
Q

What is the function of V1?

A

Sensation from upper face - eye

34
Q

What is the test for V1?

A

cotton wool test

35
Q

What is the location for V2?

A

Pons

36
Q

What foramen does V2 run through?

A

foramen rotundum

37
Q

What is the function of V2?

A

sensation for middle face

38
Q

What is the test for V2?

A

Cotton bud on cheek

39
Q

What is the location for V3?

A

pons

40
Q

What foramen does V3 go through?

A

foramen ovale

41
Q

What is the function of V3? (2)

A
  1. sensation form lower face

2. motor of muscles of mastication

42
Q

What are the tests for V3? (3)

A
  1. clench teeth and feel muscle mass
  2. cotton bud on jaw
  3. jaw jerk reflex
43
Q

What are the 4 autonomic ganglia associated with the trigeminal nerve?

A
  1. ciliary ganglion
  2. pterygopalatine
  3. submandibular
  4. otic
44
Q

What is CN VII?

A

facial nerve

45
Q

What is the location of CN VII?

A

cerbellopontine angle

46
Q

What foramen does CN VII go through?

A

internal acoustic meatus

47
Q

What is the function of CN VII? (3)

A
  1. muscles of facial expression
  2. Taste to anterior 2/3rds of tongue
  3. Parasympathetic to all gland except parotid
48
Q

What is CN VIII?

A

vestibulocochlear nerve

49
Q

What is the location for CN VIII?

A

cerbellopontine angle

50
Q

What foramen does CN VIII go through?

A

internal acoustic meatus

51
Q

What is the function of CN VIII?

A

hearing and balance

52
Q

What are the tests for CN VIII?

A

Rinnes and Webers

53
Q

What is CN IX?

A

Glossopharyngeal

54
Q

What is the location of CN IX?

A
  1. posterolateral sulcus of the medulla

2. lateral to the olives

55
Q

What foramen does CNIX run through?

A

jugular foramen

56
Q

What is the function of CN IX and what is the test? (5)

A
  1. swallowing
  2. parasympathetic to parotid
  3. taste to posterior 1/3 of tongue
  4. cutaneous sensation from ear
  5. sensation from carotid body

Gag reflex

57
Q

What is CN X?

A

Vagus nerve

58
Q

What is the location for CN X ?

A
  1. posterolateral sulcus of medulla

2. lateral to olives

59
Q

What is foramen does CN X run through?

A

jugular foramen

60
Q

What is the function of CN X? (3)

A
  1. muscles from pharynx and larynx
  2. parasympathetic to thoracic and GI
  3. taste from epiglottis and palate
61
Q

What is CN XI?

A

Accessory

62
Q

What is the location for CN XI? (2)

A
  1. caudal medulla

2. rostral spinal cord

63
Q

What foramen does the CN XI run through?

A

jugular foramen

64
Q

What is the function of CN XI? (2)

A
  1. motor to SCM

2. motor to trapezius

65
Q

What is the test for CN XI?

A

shrug shoulders and rotate head

66
Q

What is CN XII?

A

hypoglossal nerve

67
Q

What foramen doe stye hypoglossal nerve run through?

A

hypoglossal canal

68
Q

What is the function of the hypoglossal nerve?

A

Motor to muscles of the tongue

69
Q

What is the location of CN XII go through?

A

anterolaterla sulcus between the olives and pyramids

70
Q

What is the text for CN XII?

A

protrude tongue

Anatomy term 1 (10 decks)

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