CAOHC Audiometric Testing Procedures 2

Question 1

What is the maximum permissible ambient noise level in an audiometric test booth at 1000 Hz according to OSHA?

Accepted Answer

40 dB SPL

Answer

25 dB SPL

Answer

50 dB SPL

Answer

15 dB SPL

Question 2

During pure-tone audiometry, what is the standard procedure when a patient does not respond at the initial presentation level?

Accepted Answer

Increase the intensity in 5 dB steps until a response is obtained

Answer

Immediately retest at the same level three more times

Answer

Switch to the opposite ear and begin testing

Answer

Record no response and move to the next frequency

Question 3

Which ear should typically be tested first during audiometric evaluation?

Accepted Answer

The better-hearing ear as reported by the patient

Answer

Always the right ear first

Answer

Always the left ear first

Answer

The ear with the most noise exposure history

Question 4

What is the standard test frequency sequence in occupational audiometry?

Accepted Answer

1000, 2000, 3000, 4000, 6000, 8000, then 500 Hz, with a retest at 1000 Hz

Answer

500, 1000, 2000, 3000, 4000, 6000, 8000 Hz sequentially

Answer

8000, 6000, 4000, 3000, 2000, 1000, 500 Hz descending

Answer

Only 2000, 3000, and 4000 Hz for STS monitoring

Question 5

What type of transducer is most commonly used for standard occupational audiometry?

Accepted Answer

Supra-aural headphones such as TDH-39 or equivalent

Answer

Insert earphones exclusively

Answer

Bone conduction oscillators

Answer

Free-field speakers

Question 6

How often must an audiometer undergo an exhaustive calibration check?

Accepted Answer

At least annually for acoustic calibration

Answer

Daily before each testing session

Answer

Every 5 years by the manufacturer

Answer

Only when functional checks indicate a problem