Vestibular schwannoma: origin: 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 · Vestibular schwannoma: origin

Sample item

Vestibular schwannomas arise at which site?

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

The answer and the reasoning

D. Obersteiner-Redlich zone of the vestibular nerve

Vestibular schwannomas arise from Schwann cells at the Obersteiner-Redlich zone, where central glial myelin changes to peripheral Schwann cell myelin. Bilateral tumours occur in neurofibromatosis type 2.

Option by option

  • A. Geniculate ganglion

    The geniculate ganglion belongs to the facial nerve.

  • B. Spiral ganglion

    The spiral ganglion is in the cochlea.

  • C. Cochlear nucleus

    The cochlear nucleus is in the brainstem.

  • D. Obersteiner-Redlich zone of the vestibular nerve (correct)

    Correct. The glial-Schwann cell junction is the origin.

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 D, Obersteiner-Redlich zone of the vestibular nerve. Vestibular schwannomas arise from Schwann cells at the Obersteiner-Redlich zone, where central glial myelin changes to peripheral Schwann cell myelin.

Why is "Geniculate ganglion" not the answer?

The geniculate ganglion belongs to the facial nerve.

Why is "Spiral ganglion" not the answer?

The spiral ganglion is in the cochlea.

Why is "Cochlear nucleus" not the answer?

The cochlear nucleus is in the brainstem.

What concept does this question test?

It tests Vestibular schwannoma: origin in ENT. Bilateral tumours occur in neurofibromatosis type 2.

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 Vestibular schwannoma: origin?

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.