Neuroanatomy: cerebellum: practice question

A Anatomy 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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Anatomy · Neuroanatomy: cerebellum

Sample item

A right cerebellar hemisphere stroke produces limb ataxia on which side?

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

The answer and the reasoning

D. Right side

Cerebellar pathways effectively cross twice before reaching the body, so cerebellar hemisphere lesions cause ipsilateral limb incoordination, dysmetria and intention tremor.

Option by option

  • A. Neither side because cerebellum controls tone only

    The cerebellum coordinates movement, balance and motor learning, not tone alone.

  • B. Left side

    Contralateral deficits are more typical of cerebral hemispheric motor lesions.

  • C. Both sides equally

    Unilateral cerebellar lesions usually produce lateralised findings.

  • D. Right side (correct)

    Correct. Cerebellar signs are ipsilateral to the lesion.

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 Anatomy question

What is the answer to this Anatomy question?

The best answer is D, Right side. Cerebellar pathways effectively cross twice before reaching the body, so cerebellar hemisphere lesions cause ipsilateral limb incoordination, dysmetria and intention tremor.

Why is "Neither side because cerebellum controls tone only" not the answer?

The cerebellum coordinates movement, balance and motor learning, not tone alone.

Why is "Left side" not the answer?

Contralateral deficits are more typical of cerebral hemispheric motor lesions.

Why is "Both sides equally" not the answer?

Unilateral cerebellar lesions usually produce lateralised findings.

What concept does this question test?

It tests Neuroanatomy: cerebellum in Anatomy. The correct option holds because: Correct. Cerebellar signs are ipsilateral to the lesion.

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 Neuroanatomy: cerebellum?

Learn every nerve by its route, its muscles and what a lesion looks like at the bedside. That one habit answers a large share of questions. Then use the flashcards and the other Anatomy 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.