To distinguish between cochlear and post-cochlear damage, which test is done?
AAuditory brainstem response (ABR)
BImpedance audiometry
CPure tone audiometry
DElectrocochleography (ECochG)
At what intensity does the sound of a normal voice reach the ear from a distance of 1 meter?
A60 dB
B80 dB
C20 dB
D40 dB
During thyroidectomy, damage to which nerve leads to loss of high-pitched voice?
AExternal branch of the superior laryngeal nerve
BHypoglossal nerve
CVagus nerve
DRecurrent laryngeal nerve
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