“Diseases” of the auditory system and Diagnostic Audiology

Question 1

What % of people over the age of 18 in USA have hearing loss?

Answer 1

15%

Question 2

True or false : It is more likely than one’s hearing is worsened over time

Answer 2

true

Question 3

Only about ____ of adults were have hearing loss use their aids

Answer 3

16%

Question 4

How does tinnitus occur and what is it?

Answer 4

Tinnitus is basically an ongoing ringing and occurs by loud auditory impacts.

Question 5

What does an audiologist do? (4)

Answer 5

Services in : audiologic identification, assessment, diagnosis, treatment for impair (aud + vestib)

Question 6

True or false : An AUD has to be good with tech for the position

Answer 6

True

Question 7

The spinning feeling known as vertigo is a symptom of ______ _______ disorder (hint : P V). This occurs in the CNS.

Answer 7

peripheral vestibular

Question 8

What are the MAIN two vestibular pathways? (hint : VOR and VSR)

Answer 8

1. Vestibular-ocular reflex
2. Vestibulospinal reflex

Question 9

What movement is measured in a VNG? (think

Answer 9

Rapid-eye movement

Question 10

What is measured in postururography?

Answer 10

It assesses a person’s functional balance (when vestibular, visual and somatosensory inputs are changing)

Question 11

What are the steps in a hearing evaluation? (HOITAP)

Answer 11

1. History of patient
2. Otoscopy - hearing assessment
3. Immittance
4. Threshold of acoustic reflex
5. Audiometric testing
6. Physiological responses (rest of body)

Question 12

In immittance, _____ is the opposition to sound energy, here provided by acoustic and mechanical properties of OUTER + MIDDLE ear (hint : think speech _____)

Answer 12

impedance

Question 13

The amount of energy flowing through the middle ear is referred to ______ (hint : _____ your wrongs)

Answer 13

admittance

Question 14

What does the acoustic reflex threshold measure? (Hint : staple)

Answer 14

Contraction of the stapedius muscle RESPONDING to LOUD sounds

Question 15

What does the neural response of the aud. brainstem response show in waves?

Answer 15

Displays diagrams of normal responding patterns, which, if contrasted to deviations, shows the indications of damage

Question 16

True or false : ABR requires sound pulsing into the ear

Answer 16

False, it is clicking at many different frequencies

Question 17

What are the two main types of audiometry testing?

Answer 17

1. Pure tone audio.
2. Speech audio.

Question 18

What is the range of frequencies in pure tone audio.?

Answer 18

250 Hz –> 8000 Hz

Question 19

What are the 2 types of pure tone audio? _____ conduction (2 mediums)

Answer 19

Air, bone

Question 20

In speech audiometry, why can pre-recorded speech be a limitation?

Answer 20

Doesn’t give the same opportunities for correct answers to everyone –> accent differences

Question 21

True or false : In speech reception threshold, UNFAMILIAR or LESS common words are used to test

Answer 21

False, familiar words