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Audiometer Types and Capabilities

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Questions and Answers

What is the purpose of air-conduction thresholds measured up to 16,000 Hz?

To assess the entire auditory pathway (correct)

To measure the status of the conductive system

To stimulate the cochlea directly

To bypass the outer and middle ears

Which type of earphone is most commonly used for measuring air-conduction thresholds?

Bone vibrators

Insert (correct)

Supra-aurals

Circumaural

What is one advantage of using insert earphones for measuring air-conduction thresholds?

They are less susceptible to external noise (correct)

They have a wider frequency response

They are more comfortable for the patient

They produce higher sound levels

What is one disadvantage of using insert earphones for measuring air-conduction thresholds?

They are less comfortable for the patient Signup and view all the answers

What type of audiometer is required to measure air-conduction thresholds up to 16,000 Hz?

Type 1 Signup and view all the answers

What is the purpose of using circumaural earphones for measuring air-conduction thresholds?

To be more comfortable for the patient Signup and view all the answers

What is the difference between air-conduction and bone-conduction thresholds?

Air-conduction thresholds assess the entire auditory pathway, while bone-conduction thresholds stimulate the cochlea directly Signup and view all the answers

What is the difference between supra-aurals and circumaural earphones?

Circumaural earphones cover the entire ear, while supra-aurals rest on the outer ear Signup and view all the answers

What is the purpose of masking noise during bone-conduction testing?

To prevent cross-hearing between ears Signup and view all the answers

What is the purpose of calibrating audiometers to 0 dB HL?

To produce 7 dB SPL at 1000 Hz Signup and view all the answers