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HEENT > Hearing > Flashcards

Hearing Flashcards

1
Q

At what dB and Hz separates silence and sound?

A

0 dB at 1000Hz (threshold)

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2
Q

Normal conversation is ___ dB

A

60 dB

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3
Q

OSHA requires a hearing plan for > ____ dB

A

90

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4
Q

Concerts and headphones are >___ dB

A

110

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5
Q

Higher frequency sounds are transmitted near the ____

A

Stapes

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6
Q

Lower frequency sounds (<20 Hz) create pressure waves that go through the ____

A

Cochlea

they are below the threshold of hearing

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7
Q

Hyperacusis

A

abnormal sensitivity to sound

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8
Q

Conductive hearing loss

aka mechanical hearing loss OR bone conduction (BC)

A

any interference of sound wave tranmissions from external/middle ear -> inner ear

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9
Q

Sensorineural hearing loss

aka absolute hearing loss

A

deterioration of cochlea (bil) OR sudden hearing loss/tumors (unil)

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10
Q

central hearing loss

A

prob with CNS

ex. stroke

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11
Q

functional hearing loss

A

no organic cause

psychogenic - only real to the pt

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12
Q

behavorial cues for hearing loss

A
  • leaning, turning one ear to sound
  • mumbling
  • irritability
  • otalgia, dizziness, tinnitus
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13
Q

Pure Tone Test

aka Audiogram

A

tests ranges of Hz

250 - 8000Hz

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14
Q

Norm Human speech Hz and dB range

A

500 - 3000Hz AND 40-60 dB

if pt cannot hear you speak, infer 40-60 dB deafness (for the sticks)

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15
Q

The Weber Test

A

sensorineural hearing loss vs conductive

512 tuning fork
sensorineural hearing loss = CN 8
“Weber lateralized to LT” = LT conductive OR RT sensorineural

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16
Q

Rinne Tests for ___ hearing loss

A

Conductive

17
Q

Rinne Test: BC > AC means?

A

Conductive hearing loss

18
Q

Rinne Test: AC > BC?

19
Q

Bone conduction testing eval the air/bone gap to check for ___ hearing loss

stimuates cochlea directly

A

conductive

20
Q

mild high-freq hearing loss begins at ___ Hz and ___dB

A

6000 Hz and 35 dB

21
Q

noise induced hearing loss = high freq loss >/= ______ Hz

A

4000

speech banana

22
Q

Presbycusis

A

old ppl can’t hear high freq

23
Q

Tympanograms

A

creates air pressure -> graph of TM mobility

24
Q

Tympanogram

DDx?

25
Q

Tympanogram

DDx?

26
Q

Tympannogram

DDx?

27
Q

Tympannogram

29
Q

test used for?

BAER or ABR

brainstem audiometry evoked response OR Auditory Brainstem Response

A

Babies
Stim sound -> eval brainwaves

similar to EEG?

30
Q

Caloric Stim for Vestibular Eval

A

warm/cold water test

31
Q

Electronystagmography

A

electrodes -> eye mvmnt

HEENT (9 decks)

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