Exam 7: Masking and Audiogram Interpretation

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What criteria are used to determine if AC masking is required?

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The equation ACTE - IA > BCNTE is used to determine if cross hearing occurs or not, and therefore, if AC masking is required. If the signal level in the test ear is detected in the non-test ear even after it loses some energy due to interaural attenuation, then cross hearing occurs and masking is required.

An increase or shift in hearing threshold in the test ear when a modest amount of masking is presented to the non-test ear is known as:

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C

If the amount of masking noise is insufficient to prevent cross-over,what type of masking would this be?

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B

Explain the difference between minimum and maximum masking.

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Describe the occlusion effect.

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Minimum interaural attenuation for supra-aural earphones in air-conduction testing is:

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Define the masking dilemma.

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Covering an ear during bone-conduction testing produces the __________.

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While deciding to measure masked AC thresholds,which of the following should be considered?

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The interaural attenuation for bone-conduction testing is ______.

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The goal in masking is to:

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Masking is almost never required in speech audiometry.

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The reduction in intensity when sound is transmitted from other ear to the other through or around the head is called ___________.

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How is the Weber test performed?

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Minimum inter-aural attenuation for insert earphones in air-conduction testing is:

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An important difference between the SAL test and conventional bone-conduction testing is:

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When the stimulus is heard in the non-test ear,_____ occurs.

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In Hood's plateau method,what is the definition of a masked threshold?

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Which of the following occurs when stimulus intensity in the test ear exceeds inter-aural attenuation: A)Cross hearing B)Cross masking C)The occlusion effect D)The Weber effect

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The most effective masking noise in speech audiometry is:

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