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Tests For Hearing

Question
33 out of 41
 

To distinguish between cochlear and post cochlear damage test done is: (DNB Dec 2010)



A Brainsterm evoked response audiometry

B Impedence audiometry

C Pure tone audiometry

D Auditory cochlear potential

Ans. A Brainstem eyoked response audiometry

BERA testing objectively assesses the neural synchrony of the-auditory system from the level of eight nerve to the midbrain

.'. It is very useful in distinguishing between cochlear pathology. and retrocochlear pathology for SNHL

Cochlear SN.HL - occurs due to damage of hair cells mainly.

Retrocochlear SNHL- occurs due to lesion of VHlth nerve or its central connection. Hence -BERA can diagnose a retrocochlear pathology.

Tests For Hearing Flashcard List

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