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Chapter 5 Self-assessment Questions Copy- OLD-22
Chapter 5 Self-assessment Questions
Preparation of Audiometric Equipment and Calibration
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Question 1 of 14
1. Question
Quality assurance in audiometry is
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Question 2 of 14
2. Question
Look at the statement below and fill in the missing words from the multiple-choice answers below:
Screening audiometry is conducted to ________________ and ________________ __________ ____________ ___________ __________________.
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Question 3 of 14
3. Question
Match the description listed in a-h below to the label provided in the table below the description:
- Checking the audiometer for accuracy and precision, done electronically annually
- Checking the integrity of headset and response button done daily
- A single sound using one frequency related to one decibel measurement at a time.
- The unit used to measure the loudness (amplitude) or intensity of sound.
- Is a soundproof space which keeps unwanted sounds out.
- Checking the audiometer for accuracy, done biologically every week
- Tones presented through earmuffs, making use of air in the outer ear as a medium
- This is a qualified engineer, specialized in acoustics (sound) and is viewed as the competent person to electro-acoustically calibrate audiometers in South Africa.
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- This is a qualified engineer, specialized in acoustics (sound) and is viewed as the competent person to electro-acoustically calibrate audiometers in South Africa.
- Checking the audiometer for accuracy and precision, done electronically annually
- Checking the audiometer for accuracy, done biologically every week.
- Checking the integrity of headset and response button done daily.
- Is a soundproof space which keeps unwanted sounds out.
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Acoustic Engineer
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Electro-Acoustic Calibration
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Subjective Calibration
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Listening Checks
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Audiometry Booth
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Question 4 of 14
4. Question
Indicate true or false next to the following statement:
A type 4 audiometer has the following characteristic:
It is known as a Pure Tone screening audiometer
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Question 5 of 14
5. Question
Indicate true or false next to the following statement:
A type 4 audiometer has the following characteristic:
It tests frequencies 500, 1000, 2000, 3000, 4000, 6000, 8000 Hz
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Question 6 of 14
6. Question
Indicate true or false next to the following statement:
A type 4 audiometer has the following characteristic:
It uses a computer program to record and print out the completed audiogram
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Question 7 of 14
7. Question
Indicate true or false next to the following statement:
A type 4 audiometer has the following characteristic:
It tests from 0 – 90dB
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Question 8 of 14
8. Question
Indicate true or false next to the following statement:
A type 4 audiometer has the following characteristic:
It is equipped with earphones marked for left and right ears
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Question 9 of 14
9. Question
Indicate true or false next to the following statement:
A type 4 audiometer has the following characteristic:
It is equipped with a worker response button
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Question 10 of 14
10. Question
Indicate true or false next to the following statement:
A type 4 audiometer has the following characteristic:
It is not able to conduct manual and automated tests
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Question 11 of 14
11. Question
A fixed unit audiometer and audiometry equipment maintenance includes:
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Question 12 of 14
12. Question
With regards to electro-acoustic calibration, place the correct words in the correct space in the sentence below:
Word options:
Equipment Registration
Serviced
Calibrated Training
Professional
Traceability Service
Address
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Equipment must be by a provider who has the necessary and and can demonstrate to the National Acoustic Standards. The service provider will need to provide proof of with a recognised accreditor.
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Question 13 of 14
13. Question
Earphones are calibrated to the audiometer and therefore…
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Question 14 of 14
14. Question
The calibration certificate should record the following except,
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