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What is the ratio of the sound pressure required to achieve threshold in a patient, to the sound pressure required to achieve threshold in a normal-hearing person?

A - Chromates and dichromates with chromium in a +6 oxidation state.
B - A decibel is equal to 20 times the logarithm.
C - High oxidation state chromium.
D - Polyatomic anions of salts.

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Medicine Assessment 34 Question (12/20)

All of the above. Audiogram plots the intensity in decibels of hearing threshold versus frequency. Used in pure tone hearing tests. Identifying different volumes and pitches.

What is the ratio of the sound pressure required to achieve threshold in a patient, to the sound pressure required to achieve threshold in a normal-hearing person?

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