Neuroanatomy: 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

Sample item

After herpes encephalitis, a man puts objects in his mouth, shows no fear and becomes unusually calm and hypersexual. Which structure is damaged on both sides?

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

The answer and the reasoning

B. Amygdala

Kluver-Bucy syndrome follows bilateral damage to the amygdala and anterior temporal lobes, producing hyperorality, placidity, visual agnosia and hypersexuality.

Option by option

  • A. Caudate nucleus

    Caudate damage causes chorea and behavioural change.

  • B. Amygdala (correct)

    Correct. Bilateral amygdala lesions cause hyperorality and loss of fear.

  • C. Mamillary bodies

    Mamillary body damage causes Wernicke-Korsakoff memory loss.

  • D. Hippocampus

    Hippocampal damage causes anterograde amnesia.

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.

More Anatomy questions

Questions about this Anatomy question

What is the answer to this Anatomy question?

The best answer is B, Amygdala. Kluver-Bucy syndrome follows bilateral damage to the amygdala and anterior temporal lobes, producing hyperorality, placidity, visual agnosia and hypersexuality.

Why is "Caudate nucleus" not the answer?

Caudate damage causes chorea and behavioural change.

Why is "Mamillary bodies" not the answer?

Mamillary body damage causes Wernicke-Korsakoff memory loss.

Why is "Hippocampus" not the answer?

Hippocampal damage causes anterograde amnesia.

What concept does this question test?

It tests Neuroanatomy in Anatomy. The correct option holds because: Correct. Bilateral amygdala lesions cause hyperorality and loss of fear.

How hard is this question?

We tag it as a multi-step question: it asks you to combine more than one idea. 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?

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.