Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

126 > ear > Flashcards

ear Flashcards

1
Q

overall function of ear

A
  • hearing

- balance

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

which parts of ear amplify and transmit sound waves to fluid-filled ear

A

external and middle ear

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

structures in the external ear

A
  • pinna
  • eardrum aka tympanic membrane
  • ear canal aka external auditory meatus
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

pinna function

A

collects sound waves towards tympanic mem

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

which ear structure vibrates itself and the bones

A

-ear drum aka tympanic membrane

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

which part of the ear are the ossicles a part of

A

middle ear

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

which ossicle vibrates the oval window

A

staples

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

function of the ossicles

A

-transduce sound

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

order of ossicles (outer to most inner)

A

malleus -> incus -> staples

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

oval window location

A

middle ear

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

which window is the entrance to cochlea and touches the staples

A

-oval window

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

eustachian tube location

A

middle ear

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

what does the Eustachian tube connect to

A

pharynx

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

what is an ear infection known as

A

otitis

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

who is more likely to get ear infections

A

-kids

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

components of the inner ear

A
  • round window
  • vestibular apratus
  • chochlea
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

which window dissipates sound

A

round window

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

which window seals off tympanic membrane from middle ear

A

round window

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

which inner ear structure contributes to balance

A

vestibular appratus

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

function of cochlea

A

-hearing

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

CN8 aka

A

vestibulochochlear nerve

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

which nerve takes sound to the temporal lobe

A

cn8 / vestibulochochlear nerve

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

function of the 3 tubes tubes in cochlea

A

-sound transduction occur

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

oval window is the ‘gateway’ to which duct of the cochlea

A

-vestibular duct

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

cochlear duct is the

A

middle duct

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

scala vestibuli aka

A

vestibular duct

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

what is the vestibular duct filled with ?

A

ecf/ perilymph

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

which duct is filled with icf/ endolymph

A

scala media aka cochlear duct

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

organ of corti function

A

sense organ for hearing

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

which structure in the cochlea is the connecting point for the upper and lower compartment

A

helicotrema

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

which ear structure has hair cells

A

organ of corti

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

how are neural signals generated in ear hair cells

A

-when hair is deformed or moved

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

what is the longer part of the hair cell called

A

kinocilium

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

what does the base of the hairs touch

A

basilar membrane

35
Q

what does the top of the hair touch

A

tectoral membrane

36
Q

sterocilia in organ of corti structure

A

smaller hair cell

37
Q

position of hair cells at rest

A

both are straight

38
Q

when does the sterocilia move towards kinochilium

A

during exicitation

39
Q

postion of kinicilium during repolarization

A

-moving toward sternocilia

40
Q

what is the change during 1rst transduction of modality

A

-mechanical change

41
Q

when does the 1rst transduction occur

A

when tympanic membrane converts sound to vibration

42
Q

fluid vibration in the outer canal of the cochlea is an example of

A

2nd transduction of modality

43
Q

when does depolarization occur during sound conduction

A
  • tectoral mem moves

- kinochium vibrates

44
Q

when does chemical change occur during sound conduction and which stage of transduction is it

A
  • release of neurotransmitters

- 3rd transduction

45
Q

when does the 4th transduction of modality occur

A

when electrical change occurs

-ap is carried to temporal lobe

46
Q

what cn carriers ni to temporal lobe

A

cn8, vestibuloarcochelar nerve

47
Q

types of hearing loss (HL)

A
  • conductive
  • centeral
  • sensornerual
48
Q

which type of HL is reversible and caused by excessive earwax build-up

A

-conductive HL

49
Q

ruptured eardrum is an example to which type of HL

A

-conductive

50
Q

what happens when the ear drum is ruptured

A
  • middle ear infections
  • fluid accumulation
  • restriction of ossicle movement
51
Q

central HL is related to

A

-loss in neural pathways / or cortex

52
Q

cause of central HL is

A
  • strokes

- meningitis

53
Q

which HL is uncommon and could be permanent

A

central loss

54
Q

which type of HL is brought on by loss of sensory regions

A

sensorneural loss

55
Q

loss of sensory region means

A

cochlea lost transduction capacity

56
Q

who is more vulnerable to sensonerual loss

A

-older people

57
Q

-hearing aids and cochlear with which type of HL

A

sensorneural loss

58
Q

What happens with lose otholids?

A

ringing ears

59
Q

which diseases increases abnormal pressure

A

meineres disease

60
Q

symptoms of meineres disease

A
  • dizzyness
  • tinnitus
  • nausea
  • many affect cochlear
61
Q

what misbehaves in meineres disease

A

vestibular apparatus

62
Q

what influence does amplitude have on sound perception

A

-loudness

63
Q

what contributes to measuring pitch of sound

A

frequency

64
Q

function of vestibular apparatus

A

-equillibirum and balance

65
Q

How many canals does the vestibular apparatus have?

A

3

66
Q

what are the two otoliths organs of the vestibular apparatus

A

saccule

utricle

67
Q

where are the hair cells on the vestibular apparatus

A

on the 2 otoliths regions

68
Q

how are the hair cells organized in the saccule

A

vertically

69
Q

Function of saccule

A
  • monitor vertical movement

- trampoline and elevator

70
Q

which otolith region is used for balance with leaning (moving head forward and back)

A

-utricle

71
Q

which otolith region has hair cells are horizontal

A

-utricle

72
Q

what is the macula covered by

A

otoliths

73
Q

what are otoliths made of

A

-protein + calcium carbonate

74
Q

which structure governs equilibrium and g forces

A

otoliths

75
Q

what are the three canals of the semi-circular canals

A
  • superior semicircular canal
  • horizontal canal
  • posterior canal
76
Q

what is semi-circular canal filled with

A

isf/ endolymph

77
Q

how Is ni generated in the semicircular canals

A

fluid vibrating

78
Q

function of semi-circular canals

A

balance

79
Q

ampula function

A

fluid collects

80
Q

which semicircular fluid is used for head nodding (yes)

A

-superior semicircular canal

81
Q

horizontal canal function

A

-shaking head ‘no’

82
Q

which is the smallest semicircular canal

A

horizontal canal

83
Q

which semicircular fluid is used for tilting your head side to side

A

posterior canal

84
Q

which canal causes dizziness

A

posterior canal

126 (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions