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ASAP > EAR > Flashcards

EAR Flashcards

1
Q

Types of deafness ?

A

Conductive
Sensorineural
Mixed

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2
Q

What is conductive deafness ?

A

Sound cannot go through outer/middle ear

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3
Q

What is sensorineural deafness ?

A

Deafness due to damage in inner ear

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4
Q

Excessive fluid in inner ear leads to what condition ?

A

Meniers disease

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5
Q

Which ear disorder causes episodes of vertigo?

A

Meniers disease

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6
Q

Tumor on auditory nerve?

A

Acoustic neuroma

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7
Q

Another name for vestibular schwannoma?

A

Acoustic neuroma

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8
Q

Cholesteatoma

A

Abnormal cyst like growth with skin cells and connective tissue in the middle ear in association with the ear drum

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9
Q

Cause of cholesteatoma

A

Due to repeated ear infection

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10
Q

Otosclerosis

A

Hearing loss due to ear’s inability to amplify sound waves.
One of the ear bones become incapable to vibrate freely

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11
Q

Ringing in ear

A

Tinnitus

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12
Q

Cerumen impaction

A

Accumulation of cerumen
Buildup of earwax

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13
Q

Labrynthitis

A

Inflammation of the inner ear
Otitis interna

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14
Q

Otitis externa is also called as

A

Swimmers ear

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15
Q

Otitis externa

A

Outer ear infection caused by h20

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16
Q

Otitis media

A

Infection of middle ear

17
Q

Which type of otitis media may lead to hole in the tympanic membrane ?

A

Chronic supportive otitis media

18
Q

Parts of ear

A

External ear
Middle ear
Internal ear

19
Q

External ear is separated from middle ear by what?

A

Tympanic membrane

20
Q

Ear ossicles is connected to the nasopharynx through what?

A

Through the pharyngeal opening of the eustachian tube

21
Q

Function of semicircular canals?

A

Enable balance and eye tracking when moving

22
Q

What part of the inner ear controls balance and eye tracking while stationary ?

A

The utricle and saccule

23
Q

Function of cochlea?

A

Hearing

24
Q

3 ossicles are?

A

Malleus
Incus
Stapes

25
Q

Function of ossicles

A

Receive amplify and transmit sound from middle ear to inner ear

26
Q

Smallest bone in the body?

A

Stapes

27
Q

Tympanic membrane is connected to which ossicle ?

A

Malleus

28
Q

Glands in the ear canal?

A

Ceruminous gland
Sebaceous gland

29
Q

What is the oval window in the ear?

A

Opening between end of middle ear to beginning of inner ear

30
Q

Function of endolymph in the ear?

A

Fluid through which vibrations travel from middle ear to inner ear and then transmitted to the cochlea

31
Q

Function of the labrynth?

A

Hearing and balance

32
Q

Parts of the inner ear?

A

Vestibule (balance)
Cochlea (hearing)
Semicircular canals (balance)

33
Q

Semicircular canals contain which fluid ?

A

Endolymph

34
Q

Cochlea contains which fluid ?

A

Endolymph and peri lymph

35
Q

What is organ of corti?

A

Where sound waves are converted to nerve impulses in the cochlea

ASAP (19 decks)

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