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midterm > ASSESSING EARS > Flashcards

ASSESSING EARS Flashcards

1
Q

EARS
* the sense organ of hearing and equilibrium. It consists of
three distinct parts: the external ear, the middle ear, and the
inner ear.

A

a. External Ear
b. Middle Ear
c. Inner Ear or labyrinth,

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2
Q

is composed of the auricle, or pinna,
and the external auditory canal

A

external ear

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3
Q

is a small, air-filled
chamber in the temporal bone.

A

b. Middle Ear or tympanic cavity,

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4
Q

is fluid filled and made up of
the bony labyrinth and an inner membranous
labyrinth.

A

c. Inner Ear or labyrinth,

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5
Q

Sound vibrations traveling through air are collected
by and funneled through the external ear, causing
the eardrum to vibrate.

A

HEARING

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6
Q

the transmission of sound waves through the external and
middle ear

A

Conductive Hearing

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6
Q

would be related to a dysfunction
of the external or middle ear (e.g., impacted ear wax, otitis
media, foreign object, perforated eardrum, drainage in the
middle ear, or otosclerosis)

A

conductive hearing loss

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7
Q

transmission of sound waves in the inner ear

A

Perceptive or Sensorineural Hearing

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8
Q

would be related to dysfunction of the
inner ear (i.e., organ of Corti, cranial nerve VIII, or temporal
lobe of brain)

A

sensorineural lossww

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9
Q
  • composed of the auricle, or pinna, and the external auditory
    canal
  • S-shaped in the adult
  • the outer part of the canal curves up and back
  • the inner part of the canal curves down and forward
A

EXTERNAL EAR

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9
Q

Modified sweat glands in the external ear canal secrete
_______ - a wax-like substance that keeps the
tympanic membrane soft
______has bacteriostatic properties, and its sticky
consistency serves as consistency serves as a

A

o cerumen

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10
Q

has a translucent,
pearly gray appearance and serves as a partition stretched
across the inner end of the auditory canal, separating it from
the middle ear.

A

The tympanic membrane, or eardrum,

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11
Q

—the nearest
auditory ossicle that can be seen through the translucent
membrane

A

malleus

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12
Q

—the base of the malleus but also serves as a center
point landmark

A

Umbo

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13
Q

—the reflection of the otoscope light seen as a
cone due to the concave nature of the membrane

A

Cone of light

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13
Q

—the top portion of the membrane that
appears to be less taut than the bottom portion

A

Pars flaccida

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14
Q

—the bottom of the membrane that appears to
be taut

A

Pars tensa

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15
Q

a small, air-filled chamber in the temporal bone
* separated from the external ear by the eardrum and from
the inner ear by a bony partition containing two openings,
the round and oval windows

A

MIDDLE EAR (Tympanic cavity)

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16
Q

MIDDLE EAR (Tympanic cavity) contains 3 auditory ossicles:

A

malleus, incus, stapes

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17
Q

These tiny bones are responsible for transmitting
sound waves from the eardrum to the inner ear
through the oval window

A

3 auditory ossicles:
malleus, incus, stapes

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18
Q

Air pressure is equalized on both sides of the tympanic
membrane by means of the _____, which
connects the middle ear to the nasopharynx

A

eustachian tube

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19
Q

The bony labyrinth has 3 parts:

A

cochlea, vestibule,
semicircular canals

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20
Q

fluid filled and made up of the bony labyrinth and an inner
membranous labyrinth.

A

INNER EAR (Labyrinth)

21
Q

The inner cochlear duct contains the

A

spiral organ of Corti, Sensory receptors,

22
Q
  • the sensory organ for
    hearing
A

spiral organ of Corti,

23
Q

_____ located in the vestibule and in the
membranous semicircular canals, sense position
and head movements to help maintain both static
and dynamic equilibrium.

A

Sensory receptors,

24
Q

Blocked sebaceous glands

A
  • Postauricular cysts
25
Q

Ulcerated, crusted nodules that bleed

A

Skin cancer

26
Q

Tenderness over the mastoid process suggests

A

mastoiditis.

26
Q

Redness, swelling, scaling, or itching

A

Otitis externa
o Redness, swelling,

27
Q

painful auricle or tragus is associated with otitis externa or
a

A

postauricular cyst.

28
Q

Tenderness behind the ear may occur with

A

otitis media.

29
Q

(nonmalignant nodular swellings)

A

Exostoses

30
Q

growth on inside the ear canal due to infection may block the view of the eardrum

A

Polyps

31
Q

—scarring from infections

A

White spots

32
Q

—trauma from infection

A
  • Perforations
33
Q

the client reports lateralization of sound to the good
ear. This is because of limited perception of the
sound due to nerve damage in the bad ear, making
sound seem louder in the unaffected ear.

A

Sensorineural hearing loss

34
Q

– swimmer’s ear

A

Otitis externa –

35
Q

o red, bulging membrane
o decreased or absent light reflex

A
  • Acute Otitis Media
36
Q

o Indicates blood behind eardrum due to trauma

A
  • Blue/Dark Red Tympanic Membrane
37
Q

o caused by increased pressure, usually from
untreated infection or trauma

A

Perforation results from rupture

38
Q

yellowish, bulging membrane with bubbles behind it

A

Serous Otitis Media

39
Q

White spots and streaks indicate scarring from
infections

A
  • Scarred Tympanic Membrane
40
Q

Prominent landmarks are caused by negative ear
pressure due to obstructed eustachian tube or
chronic otitis media

A
  • Retracted Tympanic Membrane
41
Q

– drainage usually indicates infection

A

Otorrhea

42
Q

– earache

A

Otalgia

43
Q

– ringing in the ears

A

Tinnitus –

44
Q

often begins with a loss of high frequency sound

A

presbycusis

45
Q

true spinning motion in ear

A

vertigo

46
Q

fusion of the ossicles in the middle ear over time and

A

otosclerosis

46
Q

use ___ to differentiate conductive hearing and sensorineural hearing loss

A

rinne test

47
Q

in ear inspect

A

auricle targus and lobule

48
Q

congenital deformity in which the external ear and sometimes the ear canal are not fully developed, excessive enlargement of the ear

A

microtia

49
Q

nontender, hard, cream colored nodules on the helix or antihelix containing uric acid, hard external nodules associated with deposits of uric acid crystals in advance gout

A

tophi

50
Q

perfrom ___ if client reports diminish or lost hearing

A

webber test

50
Q

this test client equilibrium

A

romberg test

midterm (33 decks)

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