Hearing rehabilitation: cochlear implant: practice question

A ENT question in the style of the NEET PG paper. Answer it first, then read why the right option is right and why each of the others is wrong.

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ENT · Hearing rehabilitation: cochlear implant

Sample item

In cochlear implantation, where is the electrode array placed?

Original practice item, not a recalled exam question. Nothing here is recorded.

The answer and the reasoning

B. Scala tympani of the cochlea

The electrode array is inserted via the round window or a cochleostomy into the scala tympani, where it stimulates spiral ganglion neurons directly. It bypasses non-functioning hair cells.

Option by option

  • A. Internal acoustic meatus

    The IAM is the site of brainstem implants.

  • B. Scala tympani of the cochlea (correct)

    Correct. The scala tympani is the usual site.

  • C. Scala vestibuli

    The scala vestibuli is not the standard location.

  • D. Scala media

    The scala media contains the organ of Corti and is not used.

Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.

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Questions about this ENT question

What is the answer to this ENT question?

The best answer is B, Scala tympani of the cochlea. The electrode array is inserted via the round window or a cochleostomy into the scala tympani, where it stimulates spiral ganglion neurons directly.

Why is "Internal acoustic meatus" not the answer?

The IAM is the site of brainstem implants.

Why is "Scala vestibuli" not the answer?

The scala vestibuli is not the standard location.

Why is "Scala media" not the answer?

The scala media contains the organ of Corti and is not used.

What concept does this question test?

It tests Hearing rehabilitation: cochlear implant in ENT. It bypasses non-functioning hair cells.

How hard is this question?

We tag it as an application question: it asks you to use a fact on a patient or a finding. The tag is our own editorial judgement, not an official difficulty rating, so read the reason for every option, not only the answer.

How should I study Hearing rehabilitation: cochlear implant?

Learn tuning fork results and audiogram patterns by sketching them. Then use the flashcards and the other ENT questions on this site to test what stuck.

Is this a real NEET PG question?

No. It is an original practice item (editorial status: sample, version 1). NextPrep does not publish recalled or leaked questions, and independent faculty review of this item has not been completed yet, so confirm important facts in a standard textbook.