Structure Of The Ear Flashcards

(29 cards)

1
Q

Structure of the ear

A

External
Middle
Internal

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2
Q

External ear

Purpose

A

Auricle
external auditory canal
Eardrum tympanic membrane
Collect and transmit sound waves

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3
Q

Middle ear

A

Mallus incus
Stapes
Oval window
Collect and amplify sounds

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4
Q

Inner ear

A
Cochlea 
3 semicircular canal
Utricle
Saccule
Balance and hearing
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5
Q

Function of ear

A

Collect and transmit sounds waves
Hearing
Balance and equilibrium

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6
Q

Assessment of the auditory system

A

Subjective data
Objective data
Diagnostic studies of the auditory system

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7
Q

diagnostic studies of the auditory system

A

Test fir hearing acuity:
Whisper test
Tunnig. Fork test
Audiomettry

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8
Q

External ear condition

A
Cerumen impaction
Foreign bodies
Gapping earring puncture
External otitis
Malignant external otitis
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9
Q

Externally otitis meaning and cause

A

Infection or inflammation of the epithelium of the auricle and ear canal

Frequuent seimming
Trauma to skin
By bacteria

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10
Q

Symptoms of external otitis

A
Oedema
Cellulitis
Fever
Hearing impairment
Dizziness
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11
Q

External otitis medical management

A

Reduce discomfort and swelling and remove infection

Analgesia
Ear wick
Antibiotics

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12
Q

Nursing management external to otitis

A
Appropriate administration of ear drops
Patient education
Donot clean auricle external with cotton topped applicators
Keep ears dry
Avoid swimming
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13
Q

Middle ear and mastoid conditions

A
Tympanic membrane perforation
Otitis media( acute ,serous , chronic)
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14
Q

Acute otitis media
Symptoms
Treatment

A

Infection if the typanum, ossicle and space of the middle of the ear
Swelling of the eustacian tube

Ear pain
Fever
Hearing loss

Antibiotic
Surgery- grommet myringotomy

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15
Q

Chronic otitis media
Manifestation
Therapy

A

Rsult to recurrent acute otitis
Purulent discharge and inflammation

Facial pain
Hearing loss paralysis

Treat acute infection
Tympanoplasty
Ossiculoplasty
Mastoidectomy

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16
Q

Acute otitis media
Symptoms
Treatment

A

Infection if the typanum, ossicle and space of the middle of the ear
Swelling of the eustacian tube

Ear pain
Fever
Hearing loss

Antibiotic
Surgery- grommet myringotomy

17
Q

Chronic otitis media
Manifestation
Therapy

A

Rsult to recurrent acute otitis
Purulent discharge and inflammation

Facial pain
Hearing loss paralysis

Treat acute infection
Tympanoplasty
Ossiculoplasty
Mastoidectomy

18
Q

Post ear surgery nursing care

A
Post op nursing care 
Assess bleeding from the eat
Anti emetics to prevent vomiting
Assess dizziness 
Assess hearing
19
Q

Teach care after ear surgery

A

Keep earplugs clean
Avoid getting ear wet until dr say
No swimming
Observe for complications

20
Q

Conditions of the inner ea

A

Labyrinthitis
Meniere disease
Ototoxicity
Acoustic neuroma

21
Q

Otitixic drugs

A

Various medications may affect hearing

Blood levels should monitored

22
Q

Common drugs associated with otptoxicity

A

Loop diuretic
Cancer chemotherapy
Salicytes
Antibiotics

23
Q

Hearing loss and deafness

A

Common disability
More than 50 % people over 60 years
Industrial deafness factors- exposure to excessive noise levels

24
Q

Early symptoms of deafness

A

Inability to hear in a group
Tv too loud
Tinnitus: perception of sound ; ringing in the ears

25
Types of hearing loss
Conductive mixed functional central
26
Health promotion
Noise control Immunisation Awareness of ototoxic substance
27
Aids for hearing and
``` Hearing aids Cochlear implantat Speech reading Sign language Hearing guide sogs Assisted hearing device ```
28
Guidelines for communicating with the hearing
- use a low tone normal voice - Speak slowly and distinctly - reduce background noise and distractions - face the person and get his or her attention - speak into the less impaired ear - use gestures and facial expressions - if necessary write out information or obtain a sign language translator
29
Health promotion ear protection
- ear protection should be worn for any activities involving high level noise - ear protection greatly reduce ear damage caused by loud noise - hearing loss (before it progresses further ) can be detected by periodic audiometric screenings