Introduction to Audiology Today 1st Edition By Hall – Test Bank

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Chapter 5

Fill in the Blank

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

True or False

  1. Loudspeakers are the preferred transducer of choice for hearing testing of infants and children who do not tolerate earphones.
  2. There is a one-to-one correspondence between hearing loss expressed in dB HL and percentage.

Multiple Choice

  1. Which of the following audiometer features are often used in pure tone hearing testing?
    1. Hearing level dial
    2. Stimulus switch control
    3. Frequency control
    4. All of the above
  2. A warble tone is used in sound-field testing with loudspeakers to minimize the chance of
    1. A hearing loss.
    2. Constructive and destructive interference problems.
    3. Bone conduction hearing.
    4. A difference in hearing thresholds between the right ear and the left ear.
  3. Which of the following is an advantage of insert earphones versus supra-aural earphones?
    1. Attenuation of background ambient sound
    2. Increased comfort
    3. Better infection control
    4. All of the above
  4. Typical pure tone frequencies included in air conduction hearing testing encompass the range of
    1. 500 to 2000 Hz.
    2. 500 to 4000 Hz.
    3. 250 to 8000 Hz.
    4. None of the above.
  5. Which of the following changes in stimulus intensity best describes the typical descending-ascending method in pure tone audiometry?
    1. Increase intensity from 0 dB HL
    2. Decrease intensity in 10 dB steps and increase intensity in 5 dB steps
    3. Decrease intensity in 5 dB steps and increase intensity in 10 dB steps
    4. Increase intensity in 10 dB steps and decrease intensity in 5 dB steps
  6. If there’s an air conduction hearing loss in one ear, bone conduction testing usually begins on the
    1. Right ear.
    2. Left ear.
    3. Better-hearing ear.
    4. Ear with hearing loss.
  7. What symbols are typically used for plotting air conduction pure tone hearing thresholds?
    1. X for both ears
    2. X for the left ear and O for the right ear
    3. O for the right ear and X for the left ear
    4. None of the above
  8. The Fletcher pure tone average is best described as an average of
    1. Hearing thresholds for 500, 1000, and 2000 Hz.
    2. Hearing thresholds for 500, 1000, 2000, and 3000 Hz.
    3. The better two hearing thresholds at test frequencies of 500, 1000 & 2000 Hz.
    4. None of the above.
  9. An air-bone gap is a typical finding in
    1. Normal hearing.
    2. Sensorineural hearing loss.
    3. Conductive hearing loss.
    4. All of the above.
  10. The audiogram configuration of noise-induced hearing loss is characterized by a notching decrease in hearing sensitivity in the frequency region of:
    1. 8000 Hz
    2. 500 Hz
    3. 250 to 500 Hz
    4. 4000 Hz

Short Answer

  1. What an audiometer is and why it is important in hearing testing.
  2. What are the pros and cons of using loudspeakers for hearing testing?
  3. What is a hearing threshold?
  4. Define the term audiometric zero.
  5. What is a clinically important air-bone gap?
  6. Describe differences in pure tone hearing testing of young children versus older children and adults.
  7. What are some important steps that should precede pure tone audiometry?
  8. Name the three mechanisms for bone conducting hearing.
  9. What are the advantages of forehead and mastoid approaches for bone conduction testing?
  10. Describe briefly what is meant by vibrotactile response.
  11. Describe how the traditional PTA is calculated.
  12. Explain what is meant mixed hearing loss.
  13. What three factors do audiologists look for when interpreting audiograms?
  14. Give some examples of hearing loss configuration.

 

 

 

 

 

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