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Neuro And Visc > Week 5 > Flashcards

Week 5 Flashcards

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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
Whuch muscle does CN VI control?
Lateral Rectus
26
What movement is associated with the Inferior oblique eye muscle?
up and lateral
27
is CN III motor or visceral?
BOTH
28
What is the nucleus for CN III?
Occulomotor
29
What would a lesion to CN III cause?
Trouble looking down and laterally
30
What nucleus is the GVE portion of CN III associated with?
Eidenger - Westphal
31
Where oes the CN III GVE synapse @
Ciliary ganglion
32
does CN III have a sympathetic or parasympathetic divsion?
Para
33
What would a lesion to eidenger-westphal cause? cause?
Pupil dilation, loss of pupilarry refelex, eye droop
34
WHat will the contraction of sphincter pupillae cause?
Pupil constriction
35
describe the process of accomodation
Medial rectus contracts to allow covergence of eye, pupillary convergence Cillary muscles contract to adjust lense thickness
36
What fissue does CN III, IV and VI pass through?
Superior orbital fissure
37
What would a lesion to CN IV cause?
inability to look down when the eye is abducted
38
Where in the CNS is the abducens nuceli found?
Pons near 4th ventricle
39
WHat would a lesion to CN VI cause?
No lateral eye movement
40
Which of the 3 branches of CN V is both motor and sensory?
Mandibular
41
Name the 3 branches of the trigeminal nerve and which fissures/ foramen they pass through
Olphamic : superior orbital fissure Maxillary : rotundum Mandibular : ovale
42
Which branch of trigem has sensory receptors for the dura in the middle and anterior craniel fossa
Maxillary
43
What % of tongue does CN V, 3 cover, and what type of information is it?
Ant 2/3 GSE
44
Name the muscles of mastication
Masseter, temporalis, Med and lat pterygoid
45
What cranial nerve is bells palsy associated with?
CN III
46
Which GSE are these muscles associated with? Tensor Tympani Tensor Veli Palatini Ant. belly digastric Mylohoid
Trigeminal v3
47
What is Trigemina Neuraglia?
Sharp pain, that becomes more frequent, especially near mouth, not linked to teeth
48
What is CN VII
Facial
49
Name all the info type for CN VII
GSE GVE GSA SSA
50
Name the foramen for the facial nerve
Int. Aud. meatus | Stylomastoid process
51
mneumonic for facial branches
Two Zedbras Bit My Cat
52
What is the visceral component of the facial nerve
lacrimal and salivary gland
53
What is the SSA of facial
Taste Ant 2/3 of tongue
54
What GSA is associated with CN VII
skin around ear, nasopharynx, soft palate
55
what are the 2 sensory nuclei for the facial nerve?
Spinal nucleus of CN V (sensory) Solitary nucelus (taste)
56
what GVE is CN VII associated with?
lacrimal gland, submandibular and sublingual glands Mucous membrane of nasal and oral cavity
57
What information does CN VIII interpret?
SSA
58
What part of CN VIII is associated with balance? and what mechanisms does it use?
Vestibular Semi circular canals Utricle - Horizontal Saccule - Verticle
59
What is associated witht he hearing aspect of CN VIII
Cochlear (hair cells)
60
Which cranial nerve is bells palsy associated with? describe some symptoms
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
What information is associated with CN IX
GVA SSA GVE GSE
62
What foramen does CN IX pass through?
Jugular
63
Why is CN IX association with the coratoid artery?
sensory through barorecetpros of common corotid bification to sense BP and acidity
64
Name some GVA associated with CN IX
``` 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
Which nucleus is association toe GVA infor from CN IX
Spinal nucleus CNV | Solitary nucleus
66
GVE info of CN IX
Parotid salivory gland (otic ganglion)
67
Nucleus associated with GVE aspect of CN IX
Inferior salvitory nucleus
68
What mm is associatioed with the GSE aspect of CN IX
stylopharyngeus (helps shortening of pharynx to swallow)
69
Where is the nucleus of the GSE aspect of CN IX found ?
Nucleus ambiguous
70
What would a lesion to the CN IX cause?
loss of tase and sensation of soft palate
71
Name the ganglions associated with CN IX
Superior (jugular) Inferior (petrosal) Otic ganglion

Neuro And Visc (16 decks)

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