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Tests For Hearing

Question
36 out of 41
 

Threshold for bone conduction is normal and that for air conduction is increased in disease of: [LQ]



A Middle ear
B Inner ear

C Cochlear nerve
D Temporal lobe

Ans. A Middle ear . Ref. Dhingra 5th/ed p 26

Threshold for air conduction is increased (. low frequency sounds are not heard well) whereas that of bone conduction in normal.

Bone conduction> air conduction which is seen in conductive deafness. Conductive deafness occurs in lesions of either external ear, tympanic membrane, middle ear or ossicles up to stapedio-vestibular joint.

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