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Audiology > outer ear > Flashcards

outer ear Flashcards

1
Q

What do audiologists do?

A

evaluate a person’s hearing and balance and improve the impairment

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2
Q

in order to practice audiology one must

A

pass national exam, achieve or obtain state licensure and graduate from an accredited program.

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3
Q

The function of the eustation tube is

A

draining middle ear fluids, pressure equalization, pass air into the middle ear.

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4
Q

What are the 4 parts of audiology?

A

Evaluation, Rehabilitation, Education, Prevention

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5
Q

What does the outer ear consist of?

A

Pinna/Auricle, External Auditory Canal, Lateral surface of tympanic membrane

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6
Q

What are the functions of the Pinna?

A

Funnel sound into external auditory canal, Resonator, Localization

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7
Q

This is a tunnel into the temporal bone

A

External auditory canal

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8
Q

What shape is the external auditory canal?

A

oval

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9
Q

What is present in the external auditory canal?

A

Cerumen and Cilia

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10
Q

What are 4 functions of the external auditory canal?

A

Resonator, filter, TM protector, temperature regulator

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11
Q

Mandibular, hyoid, glossopharyngeal

A

Pharyngeal arches

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12
Q

Name the 3 pharyngeal arches

A

Mandibular, hyoid and glossopharyngeal

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13
Q

What are the 3 layers of the pharyngeal arches?

A

ectoderm, entoderm, mesoderm

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14
Q

What are the 4 things each pharyngeal arch has?

A

Artery, muscle, cartilage, nerve

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15
Q

What is microtia?

A

A very small pinna

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16
Q

What is anotia?

A

no pinna

17
Q

What is canal atresia?

A

Absence of the external auditory canal

18
Q

What is cauliflower ear?

A

Pressure or trauma to the ear that causes the pinna to lose its landmarks

19
Q

What is some trauma that can happen to the outer ear?

A

Sunburn, frost bite, hits

20
Q

What are keloids?

A

Bumps after piercings

21
Q

What is external otitis?

A

Outer ear infection/ swimmers ear

22
Q

happens in the elderly during hearing tests. Cartilage loses elasticity

A

collapsing canals

23
Q

Very narrow external auditory canals

A

stenotic canals

24
Q

What are 2 tumors of the outer ear?

A

osteomas and extoses

25
Q

Another name for ear pain

A

otalgia

Audiology (11 decks)

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