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Neuro And Visc > Week 5 > Flashcards

Week 5 Flashcards

1
Q

Sympathetic nerve division

A

Thoracolumbar

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2
Q

Parasympathetic nerve division

A

Cranial sacral

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3
Q

Special Senses

A

Smell, vision, hearing, balance, taste

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4
Q

Upper motor neureons function

A

Primary motor cortex

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5
Q

Lower motor neuron

A

brainstem , spinal cord

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6
Q

Are motor cranial nerves located more medially or laterally?

A

Medially

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7
Q

CN I

A

Olfactory

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8
Q

CN I infromation

A

SSA

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9
Q

CN I foramen

A

Cribriform plate

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10
Q

CN I nucleus

A

Olfactory bulb

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11
Q

CN I lesions

A

Anosmia (loss of smell)

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12
Q

Which is the only CN nerve not to have a direct pathway to the thalmus

A

Olfactory Nerve

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13
Q

CN II

A

optic Nerve

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14
Q

CN II information

A

SSA

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15
Q

CN II foramen

A

Optic canal

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16
Q

Which optic info cross over at the optic canal?

A

Nasal retina

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17
Q

CNS nucleus of CN II

A

LGN (lateral geniculate nucleus)

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18
Q

What id optic radiation

A

Visual info from CN II synapsing from the lateral genticulate nucleus to the visual cortex (occipital lobe)

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19
Q

name the 3 projections of CN II

A

Hypothalmus - Regulation of cicardian rythms

Pretectum: Refelx control of pupil and lense

Superior colliculus: orientating movement of head and eyes

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20
Q

Name and describe the 2 pathways from the lateral genticulate nucleus to the visual cortex

A

Myers loop : travels via temporal lobe , fibres are for inferior retinal quadrants (inferior visual field)

Second Lopp: travels via parietal lobe. fibres from superior retinal quadrants (inferior visual field)

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21
Q

Name the 2 projections from visual cortec once SSA has been interpreted

A

Ventral pathway (temporal lobe) - object recignition

Dorsal pathway (parietal lobe) - Spatial vision

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22
Q

What are the names of CN III, IV & VI? and what are there main functions?

A

Occulomotor, Torchlear, Abducens

Eye movement

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23
Q

What is the mnemonic for CN 3,4 and 6?

A

LR 6 SO 4 R 3

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24
Q

Which muscle does CN IV control?

A

Superior Oblique

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25
Q

Whuch muscle does CN VI control?

A

Lateral Rectus

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26
Q

What movement is associated with the Inferior oblique eye muscle?

A

up and lateral

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27
Q

is CN III motor or visceral?

A

BOTH

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28
Q

What is the nucleus for CN III?

A

Occulomotor

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29
Q

What would a lesion to CN III cause?

A

Trouble looking down and laterally

30
Q

What nucleus is the GVE portion of CN III associated with?

A

Eidenger - Westphal

31
Q

Where oes the CN III GVE synapse @

A

Ciliary ganglion

32
Q

does CN III have a sympathetic or parasympathetic divsion?

A

Para

33
Q

What would a lesion to eidenger-westphal cause? cause?

A

Pupil dilation, loss of pupilarry refelex, eye droop

34
Q

WHat will the contraction of sphincter pupillae cause?

A

Pupil constriction

35
Q

describe the process of accomodation

A

Medial rectus contracts to allow covergence of eye, pupillary convergence

Cillary muscles contract to adjust lense thickness

36
Q

What fissue does CN III, IV and VI pass through?

A

Superior orbital fissure

37
Q

What would a lesion to CN IV cause?

A

inability to look down when the eye is abducted

38
Q

Where in the CNS is the abducens nuceli found?

A

Pons near 4th ventricle

39
Q

WHat would a lesion to CN VI cause?

A

No lateral eye movement

40
Q

Which of the 3 branches of CN V is both motor and sensory?

A

Mandibular

41
Q

Name the 3 branches of the trigeminal nerve and which fissures/ foramen they pass through

A

Olphamic : superior orbital fissure

Maxillary : rotundum

Mandibular : ovale

42
Q

Which branch of trigem has sensory receptors for the dura in the middle and anterior craniel fossa

A

Maxillary

43
Q

What % of tongue does CN V, 3 cover, and what type of information is it?

A

Ant 2/3 GSE

44
Q

Name the muscles of mastication

A

Masseter, temporalis, Med and lat pterygoid

45
Q

What cranial nerve is bells palsy associated with?

A

CN III

46
Q

Which GSE are these muscles associated with?

Tensor Tympani
Tensor Veli Palatini
Ant. belly digastric
Mylohoid

A

Trigeminal v3

47
Q

What is Trigemina Neuraglia?

A

Sharp pain, that becomes more frequent, especially near mouth, not linked to teeth

48
Q

What is CN VII

A

Facial

49
Q

Name all the info type for CN VII

A

GSE
GVE
GSA
SSA

50
Q

Name the foramen for the facial nerve

A

Int. Aud. meatus

Stylomastoid process

51
Q

mneumonic for facial branches

A

Two Zedbras Bit My Cat

52
Q

What is the visceral component of the facial nerve

A

lacrimal and salivary gland

53
Q

What is the SSA of facial

A

Taste Ant 2/3 of tongue

54
Q

What GSA is associated with CN VII

A

skin around ear, nasopharynx, soft palate

55
Q

what are the 2 sensory nuclei for the facial nerve?

A

Spinal nucleus of CN V (sensory)

Solitary nucelus (taste)

56
Q

what GVE is CN VII associated with?

A

lacrimal gland,

submandibular and sublingual glands

Mucous membrane of nasal and oral cavity

57
Q

What information does CN VIII interpret?

A

SSA

58
Q

What part of CN VIII is associated with balance? and what mechanisms does it use?

A

Vestibular

Semi circular canals
Utricle - Horizontal
Saccule - Verticle

59
Q

What is associated witht he hearing aspect of CN VIII

A

Cochlear (hair cells)

60
Q

Which cranial nerve is bells palsy associated with? describe some symptoms

A

VII

Uni laterall weakness and loss of function of muscles of facial expression

possible loss of taste sensation on anterior 2/3 rd of tongue.

61
Q

What information is associated with CN IX

A

GVA
SSA
GVE
GSE

62
Q

What foramen does CN IX pass through?

A

Jugular

63
Q

Why is CN IX association with the coratoid artery?

A

sensory through barorecetpros of common corotid bification to sense BP and acidity

64
Q

Name some GVA associated with CN IX

A 
Carotid body and sinus
Post 1/3 of tongue (somatic and special)
Palantine tonsils
Upper Pharynx
Mucosa of middle ear
Pharyngotympanic tube (aud. tube)
65
Q

Which nucleus is association toe GVA infor from CN IX

A

Spinal nucleus CNV

Solitary nucleus

66
Q

GVE info of CN IX

A

Parotid salivory gland (otic ganglion)

67
Q

Nucleus associated with GVE aspect of CN IX

A

Inferior salvitory nucleus

68
Q

What mm is associatioed with the GSE aspect of CN IX

A

stylopharyngeus (helps shortening of pharynx to swallow)

69
Q

Where is the nucleus of the GSE aspect of CN IX found ?

A

Nucleus ambiguous

70
Q

What would a lesion to the CN IX cause?

A

loss of tase and sensation of soft palate

71
Q

Name the ganglions associated with CN IX

A

Superior (jugular)
Inferior (petrosal)
Otic ganglion

Neuro And Visc (16 decks)

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