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dfk;amdfbnsdde ana > page 138-147 > Flashcards

page 138-147 Flashcards

1
Q

membranous and bony labyrinth

A

inner ear

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2
Q

acoustic apparatus

vestibular app

semicircular canal

A

inner ear

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3
Q

muscles of middle ear to dampen sound

A

tensor tympani

stapedius

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4
Q

paralysis of muscle of middle ear

A

hyperacusis

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5
Q

V3;CN7

A

tensor tympani; stapedius

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6
Q

middle ear to pharynx

A

eustacian tube

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7
Q

equalize pressur b/n tympanic cavity and nasopharynx

A

eustacian tube

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8
Q

Hearing loss

A

presbycusis

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9
Q

loss occuring gradually with aging b/c of changes in inner ear or middle ear

A

presbycusis

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10
Q

conductive loss

A

thickening and stiffening of cochlear basilary membrane

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11
Q

sensorineural loss

A

loss of hair and or nerve cells

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12
Q

nystagmus

A

involuntary rapid and repetitive movements of eyes

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13
Q

irritation to labyrinth

vestibular nerve or nuclei

cerebellum

visual system

cerebral cortex

A

nystagmus

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14
Q

rhythmic oscillations are slow to one side

and rapid to other

A

nystagmus

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15
Q

defined by direction of rapid reflex movement

A

nystagmus

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16
Q

vertical , occasional vertical or rotary

A

nystagmus

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17
Q

cold caloric test

A

instill h2o to EAM stimulates nystagmus

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18
Q

colc caloric test

A

cool water fast component to side opposite

warm waterfast component to stimulated side

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19
Q

Cn 9 glossopharyngeal

A

originates in ant surface of medulla oblongata

pass lateral in pcf

leaves skull via jug foramen

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20
Q

motor of CN9

A

stylopharyngeus

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21
Q

general sensory cell bodies of CN 9 are

A

sup and inf ganglion of CN9

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22
Q

mucosa of pharynx

post 3rd of mouth

A

sensory of CN 9

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23
Q

visceral sensory

A

taste on post 3rd of tongue

gag reflex

chemo, baroreceptors- carotid body, sinus

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24
Q

PS/ secromotor

A

parotid via otic ganglion

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25
preganglion of PS CN 9
leave glossopharyngeal narve as tympanic nerve enter middle ear caivty contribute to tympanic plexus reform as lesser petrosal nerve leave cranial cavity via 4amen ovale enter otic ganglion
26
post gang of PS secromotor
carried by auricultemporal nerve to parotid glandn
27
widest distribution CN
CN 10
28
supply viscera of kneck, thorax, abd to left colic felxure
CN X
29
course of vagus
leave medulla pass jug foramen desc. kneck in carotid sheath Post mediastinum enter abd cavity with esophogus
30
right vagus course
cross ant surface of r. rubclavian art enter thorax posterolat to BC trunk, lat 2 trachea,medial to azygous vein pass post to root of right lung travels with esophogus enters abd behind esophogus post vagal trunk
31
left vgus nerve
enter thorax in front of L. subclavian art. behind L. braciocephalic vein cross left side of aortic arch pass behind left lung travels with esophogus enters abd in front of esophogus br of esophogeal plexus unite Ant vagal trunk
32
br of vagus menineal
to dura
33
auricular br of Vagus
to auricle and post 1/2 of EAM
34
form pharyngeal plexus
pharyngeal br of vagus
35
muscle of pharynx and muscle of soft palate
pharyngeal br of Vagus
36
travels with sup laryngeal art
sup laryngeal br of vagus
37
internal lryngeal nerve
pierce thyrohyoid membrane
38
ext laryngeal nerve
supplies mucus membrane of larynx above vocal fold travels with sup thyroid art supplie cricothyroid m.
39
cn x lesion
loss of gag reflex dysphagia dysphonia PS disturbances
40
CN11 lesion
paralysis of SCM; hard to turn head to contralat side
41
paralysis of trapezius; shoulder droop
CN 11 lesion
42
strictly motor
hypoglossal nerve
43
leaves skull through hypoglosal canal joined by C1 fibers from cervical plexus after leaves skull passes hyoid bone on lat surface of hyoglossus m loops around occipital art passes b/n ECA and IJV
course of CN12
44
CN12 lesion LMN lesion
tongue deviatex to side of lesion
45
UMN CN 12 lesion
tongue deviates away from side of lesion
46
in spinal canal and 40-45 cm long
spinal cord
47
continuation of med oblongata and exits 4amen magnum
spinal cord
48
extends to L1-2 occupies upper 2/3 of vert column
Spinal cord
49
conus medularis
spinal cord taper at L1
50
filum terminales
prolong of pia mater at apex attaches to coccyx
51
where dura and arachnoid fuse at S2
filum terminale
52
cauda equina
nerve root extending down below end of spinal cord exits via lumbar and sacral forammina
53
meninges
dura arachnoid pia
54
spinal cord cross section
gray mater; located centrally, h shaped consists of unmy. nerve cell bodies
55
ant ventral horn
gray mater
56
post dorsal horn
sensory dorsal root ganglion(cell bodies)
57
intermediolateral horn
autonomic
58
surround the graymattter peripherally myelinated axon
white matter
59
central canal
filled with CSF
60
ant spinothalamic tract; lat spinothalamic tract
touch pressure, pain temp
61
post column(Gracilus and cuneatus)
propioception ,positon sense
62
spinocerebellar
motor coordination, propioception
63
descending /motor corticospinal traact
Motor
64
tectospinal tact
motor
65
movement of head
tectospinal tract
66
muscle tone, posture , head, neck, UE
rubrospinal tract
67
equilibirum
vestibulospinal tract
68
reticulospinal tract
muscle tone, sweat gland function
69
CN
12; leave brain and pass skull 4amen
70
spinal nerve
31 leave spinal cord and pass out via intervert. 4amen
71
cerv thoracic lumbar sacral coccygal
8 12 5 5 1
72
ass plexi and ganglia
PNS
73
aff eff somatic and viscera
PNS
74
from cutaneous and propioceptive receptors
somaic sensory (AFFERent)
75
visceral sensory
from viscera
76
Efferent
motor neuron to skeletal muscles(somatic motor)
77
visceral motor
autonomic(PS\> S) to viscera
78
spinal nerve
dorsal and ventral rami
79
mixed nerve(motor sensory)
spinal nerve
80
after join as spinal nereve , split into
dorsal and ventral rami
81
spinal nerve
supply motor and sensory innervation to Post and Ant body wall
82
location of cell body in spinal cord
motor nerve and ventral root
83
location of cell body dorsal root ganglia
Dorsal root sensory spinal nerve
84
bundle of nerve fibers
peripheal nerve
85
formed from 1+ spinal nerve
peripheal nerve
86
musculocut nerve
peripheal nerve formed from C5-7

dfk;amdfbnsdde ana (23 decks)

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