Cochlear versus Retrocochlear hearing loss

Cochlear versus Retrocochlear hearing loss

Q. 1

Recruitment phenomenon is seen in:

 A

Otosclerosis

 B

Presbyaccusis

 C

Acoustic nerve schwannoma

 D

Otitis media with effusion

Q. 1

Recruitment phenomenon is seen in:

 A

Otosclerosis

 B

Presbyaccusis

 C

Acoustic nerve schwannoma

 D

Otitis media with effusion

Ans. B

Explanation:

Q. 2

To distinguish between cochlear and post cochlear dam­age, test done is:

 A

Brainsterm evoked response audiometry

 B

Impedence audiometry

 C

Pure tone audiometry

 D

Auditory cochlear potential

Q. 2

To distinguish between cochlear and post cochlear dam­age, test done is:

 A

Brainsterm evoked response audiometry

 B

Impedence audiometry

 C

Pure tone audiometry

 D

Auditory cochlear potential

Ans. A

Explanation:

 

BERA is very useful in distinguishing between cochlear pathology and retrocochlear pathology for SNHL

Impedence audiometry and PTA tests the middle ear pathology.


Q. 3

Acoustic/Stapedial reflex decay test is positive inlesion of:          

 A

Cerebellum

 B

Midbrain

 C

Eighth nerve

 D

Auditory cortex

Q. 3

Acoustic/Stapedial reflex decay test is positive inlesion of:          

 A

Cerebellum

 B

Midbrain

 C

Eighth nerve

 D

Auditory cortex

Ans. C

Explanation:

Q. 4

Recruitment test is positive in:             

 A

Retrocochlear lesions

 B

Otosclerosis

 C

Meniere’s disease

 D

None of the above

Q. 4

Recruitment test is positive in:             

 A

Retrocochlear lesions

 B

Otosclerosis

 C

Meniere’s disease

 D

None of the above

Ans. C

Explanation:


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