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Physiology of hearing and hearing loss

Question
30 out of 39
 

Conductive deafness occurs in: [LQ]



A Travelling in aeroplane or ship

B Trauma to labyrinth

C Stapes abnormal at oval window

D High noise

Ans. A C and D. Travelling in Aeroplane and Ship; Stapes abnormal at oval window; and High noise

Otitic Barotrauma or travelling in aeroplane/ship leads to conductive hearing loss but sensorineural type of loss may also be seen. Dhingra 6th/ed pg. 66

Trauma to labyrinth leads to SNHL

Abnormal attachment of stapes at oval window (otosclerosis) will lead to conductive deafness. Dhingra 6th/ed pg 30

Physiology of hearing and hearing loss Flashcard List

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