Aural Rehab Exam 1

CD 4708

What is the primary role of an audiologist?

To diagnose and manage hearing and balance
disorders

The field of audiology primarily focuses on
what two human systems?

Auditory and vestibular

What professional degree is now the standard
entry-level requirement to practice audiology in
the United States?

Doctor of Audiology (Au.D.)

What is this?

Auricle

What is this?

External acoustic meatus / ear canal

What is this?

Tympanic membrane

What are these 3 bones?

Ossicles

What is this?

Eustachian Tube

What is this?

Cochlea

What is the range of normal hearing?

0-20 dB

What is the range of mild hearing loss?

20-40 dB

What is the range of moderate hearing loss?

40-55 dB

What is the range of moderately severe hearing loss?

55-70 dB

What is the range for severe hearing loss?

70-90 dB

What is the range for profound hearing loss?

over 90 dB

What is a conventional audiometry / pure tone test?

measures the quietest sounds a person can hear at different frequencies

What is a tympanometry test?

measures how well the eardrum moves in response to changes in air pressure

What is an acoustic reflex test?

measures involuntary muscle contractions in the middle ear in response to loud sounds

assesses the auditory pathway

What is an otoacoustic emissions (OAE) test?

Sounds produced by the Cochlea in response to stimuli

Checks outer hair cell function

What is an auditory brainstem response (ABR) test?

Measures electrical activity from the Auditory nerve and brainstem after sound

used to detect neural hearing loss

What is a speech reception threshold (SRT) test?

Measures the lowest intensity level at which a person can correctly repeat 50% of spoken words

What is a word recognition score (WRS) test?

measures the percentage of words correctly repeated at a comfortable loudness level

shows speech clarity

What are the 3 types of hearing loss?

Sensorineural, conductive, and mixed

What does this audiogram show?

Normal hearing

What kind of hearing loss is this?

Sensorineural

What does this audiogram show?

Hearing is within normal limits, sloping bilaterally to a moderately-severe sensorineural hearing loss after 1500 Hz.

What kind of hearing loss is this?

conductive

What does this audiogram show?

Moderate conductive hearing loss in the right ear, mild to moderate conductive hearing loss in the left ear.

What kind of hearing loss is this?

mixed

What does this audiogram show?

Mixed bilateral hearing loss

What does a type B tympanogram with normal ear canal volume look like?

flat

What does configuration of hearing loss mean?

shape/pattern