page 138-147 Flashcards

1
Q

membranous and bony labyrinth

A

inner ear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

acoustic apparatus

vestibular app

semicircular canal

A

inner ear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

muscles of middle ear to dampen sound

A

tensor tympani

stapedius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

paralysis of muscle of middle ear

A

hyperacusis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

V3;CN7

A

tensor tympani; stapedius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

middle ear to pharynx

A

eustacian tube

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

equalize pressur b/n tympanic cavity and nasopharynx

A

eustacian tube

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Hearing loss

A

presbycusis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

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

A

presbycusis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

conductive loss

A

thickening and stiffening of cochlear basilary membrane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

sensorineural loss

A

loss of hair and or nerve cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

nystagmus

A

involuntary rapid and repetitive movements of eyes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

irritation to labyrinth

vestibular nerve or nuclei

cerebellum

visual system

cerebral cortex

A

nystagmus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

rhythmic oscillations are slow to one side

and rapid to other

A

nystagmus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

defined by direction of rapid reflex movement

A

nystagmus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

vertical , occasional vertical or rotary

A

nystagmus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

cold caloric test

A

instill h2o to EAM stimulates nystagmus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

colc caloric test

A

cool water fast component to side opposite

warm waterfast component to stimulated side

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Cn 9 glossopharyngeal

A

originates in ant surface of medulla oblongata

pass lateral in pcf

leaves skull via jug foramen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

motor of CN9

A

stylopharyngeus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

general sensory cell bodies of CN 9 are

A

sup and inf ganglion of CN9

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

mucosa of pharynx

post 3rd of mouth

A

sensory of CN 9

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

visceral sensory

A

taste on post 3rd of tongue

gag reflex

chemo, baroreceptors- carotid body, sinus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

PS/ secromotor

A

parotid via otic ganglion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

preganglion of PS CN 9

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

post gang of PS secromotor

A

carried by auricultemporal nerve to parotid glandn

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

widest distribution CN

A

CN 10

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

supply viscera of kneck,

thorax, abd

to left colic felxure

A

CN X

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

course of vagus

A

leave medulla

pass jug foramen

desc. kneck in carotid sheath

Post mediastinum

enter abd cavity with esophogus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

right vagus course

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

left vgus nerve

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

br of vagus

menineal

A

to dura

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

auricular br of Vagus

A

to auricle and post 1/2 of EAM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

form pharyngeal plexus

A

pharyngeal br of vagus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

muscle of pharynx and muscle of soft palate

A

pharyngeal br of Vagus

36
Q

travels with sup laryngeal art

A

sup laryngeal br of vagus

37
Q

internal lryngeal nerve

A

pierce thyrohyoid membrane

38
Q

ext laryngeal nerve

A

supplies mucus membrane of larynx above vocal fold

travels with sup thyroid art

supplie cricothyroid m.

39
Q

cn x lesion

A

loss of gag reflex

dysphagia

dysphonia

PS disturbances

40
Q

CN11 lesion

A

paralysis of SCM; hard to turn head to contralat side

41
Q

paralysis of trapezius; shoulder droop

A

CN 11 lesion

42
Q

strictly motor

A

hypoglossal nerve

43
Q

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

A

course of CN12

44
Q

CN12 lesion LMN lesion

A

tongue deviatex to side of lesion

45
Q

UMN CN 12 lesion

A

tongue deviates away from side of lesion

46
Q

in spinal canal and 40-45 cm long

A

spinal cord

47
Q

continuation of med oblongata and

exits 4amen magnum

A

spinal cord

48
Q

extends to L1-2

occupies upper 2/3 of vert column

A

Spinal cord

49
Q

conus medularis

A

spinal cord taper at L1

50
Q

filum terminales

A

prolong of pia mater at apex

attaches to coccyx

51
Q

where dura and arachnoid fuse at S2

A

filum terminale

52
Q

cauda equina

A

nerve root extending down below end of spinal cord

exits via lumbar and sacral forammina

53
Q

meninges

A

dura

arachnoid

pia

54
Q

spinal cord cross section

A

gray mater; located centrally, h shaped

consists of unmy. nerve cell bodies

55
Q

ant ventral horn

A

gray mater

56
Q

post dorsal horn

A

sensory

dorsal root ganglion(cell bodies)

57
Q

intermediolateral horn

A

autonomic

58
Q

surround the graymattter peripherally

myelinated axon

A

white matter

59
Q

central canal

A

filled with CSF

60
Q

ant spinothalamic tract; lat spinothalamic tract

A

touch pressure, pain temp

61
Q

post column(Gracilus and cuneatus)

A

propioception ,positon sense

62
Q

spinocerebellar

A

motor coordination, propioception

63
Q

descending /motor corticospinal traact

A

Motor

64
Q

tectospinal tact

A

motor

65
Q

movement of head

A

tectospinal tract

66
Q

muscle tone, posture , head, neck, UE

A

rubrospinal tract

67
Q

equilibirum

A

vestibulospinal tract

68
Q

reticulospinal tract

A

muscle tone, sweat gland function

69
Q

CN

A

12; leave brain and pass skull 4amen

70
Q

spinal nerve

A

31

leave spinal cord and pass out via intervert. 4amen

71
Q

cerv

thoracic

lumbar

sacral

coccygal

A

8

12

5

5

1

72
Q

ass plexi and ganglia

A

PNS

73
Q

aff eff

somatic and viscera

A

PNS

74
Q

from cutaneous and propioceptive receptors

A

somaic sensory (AFFERent)

75
Q

visceral sensory

A

from viscera

76
Q

Efferent

A

motor neuron to skeletal muscles(somatic motor)

77
Q

visceral motor

A

autonomic(PS> S) to viscera

78
Q

spinal nerve

A

dorsal and ventral rami

79
Q

mixed nerve(motor sensory)

A

spinal nerve

80
Q

after join as spinal nereve , split into

A

dorsal and ventral rami

81
Q

spinal nerve

A

supply motor and sensory innervation to Post and Ant body wall

82
Q

location of cell body in spinal cord

A

motor nerve and ventral root

83
Q

location of cell body

dorsal root ganglia

A

Dorsal root

sensory spinal nerve

84
Q

bundle of nerve fibers

A

peripheal nerve

85
Q

formed from 1+ spinal nerve

A

peripheal nerve

86
Q

musculocut nerve

A

peripheal nerve

formed from C5-7