Deck 5: Pure Tone Audiometry

Question 1

Which of the following audiometer features are often used in pure tone hearing testing?

A)Hearing level dial
B)Stimulus switch control
C)Frequency control
D)All of the above

Answer 1

D

Question 2

Audiometers that allow the presentation of two sounds independently and separately to two earphones are called __________ audiometers.

Answer 2

Two-channel

Question 3

Which of the following is an advantage of insert earphones versus supra-aural earphones?

A)Attenuation of background ambient sound
B)Increased comfort
C)Better infection control
D)All of the above

Answer 3

D

Question 4

Which of the following changes in stimulus intensity best describes the typical descending-ascending method in pure tone audiometry?

A)Increase intensity from 0 dB HL
B)Decrease intensity in 10 dB steps and increase intensity in 5 dB steps
C)Decrease intensity in 5 dB steps and increase intensity in 10 dB steps
D)Increase intensity in 10 dB steps and decrease intensity in 5 dB steps

Question 5

An air-bone gap is a typical finding in

A)Normal hearing.
B)Sensorineural hearing loss.
C)Conductive hearing loss.
D)All of the above.

Question 6

Describe differences in pure tone hearing testing of young children versus older children and adults.

Question 7

What is a clinically important air-bone gap?

Question 8

The Fletcher pure tone average is best described as an average of

A)Hearing thresholds for 500,1000,and 2000 Hz.
B)Hearing thresholds for 500,1000,2000,and 3000 Hz.
C)The better two hearing thresholds at test frequencies of 500,1000 & 2000 Hz.
D)None of the above.

Question 9

Define the term audiometric zero.

Question 10

What are some important steps that should precede pure tone audiometry?

Question 11

There is a one-to-one correspondence between hearing loss expressed in dB HL and percentage.

Question 12

What symbols are typically used for plotting air conduction pure tone hearing thresholds?

A)X for both ears
B)X for the left ear and O for the right ear
C)O for the right ear and X for the left ear
D)None of the above

Question 13

If there's an air conduction hearing loss in one ear,bone conduction testing usually begins on the

A)Right ear.
B)Left ear.
C)Better-hearing ear.
D)Ear with hearing loss.

Question 14

What are the pros and cons of using loudspeakers for hearing testing?

Question 15

What an audiometer is and why it is important in hearing testing.

Question 16

A warble tone is used in sound-field testing with loudspeakers to minimize the chance of

A)A hearing loss.
B)Constructive and destructive interference problems.
C)Bone conduction hearing.
D)A difference in hearing thresholds between the right ear and the left ear.

Question 17

Typical pure tone frequencies included in air conduction hearing testing encompass the range of

A)500 to 2000 Hz.
B)500 to 4000 Hz.
C)250 to 8000 Hz.
D)None of the above.

Question 18

Loudspeakers are the preferred transducer of choice for hearing testing of infants and children who do not tolerate earphones.

Question 19

The audiogram configuration of noise-induced hearing loss is characterized by a notching decrease in hearing sensitivity in the frequency region of:

A)8000 Hz
B)500 Hz
C)250 to 500 Hz
D)4000 Hz Short Answer

Question 20

What is a hearing threshold?

Question 21

Describe how the traditional PTA is calculated.

Question 22

Give some examples of hearing loss configuration.

Question 23

Describe briefly what is meant by vibrotactile response.

Question 24

Explain what is meant mixed hearing loss.

Question 25

What three factors do audiologists look for when interpreting audiograms?

Question 26

What are the advantages of forehead and mastoid approaches for bone conduction testing?

Question 27

Name the three mechanisms for bone conducting hearing.