Dementia: Lewy body disease: practice question

A Psychiatry 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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Psychiatry · Dementia: Lewy body disease

Sample item

Fluctuating cognition, recurrent visual hallucinations and parkinsonism suggest which neurodegenerative disorder?

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

The answer and the reasoning

A. Dementia with Lewy bodies

Dementia with Lewy bodies features cognitive fluctuations, well-formed visual hallucinations, parkinsonism and marked antipsychotic sensitivity. Lewy bodies contain alpha-synuclein.

Option by option

  • A. Dementia with Lewy bodies (correct)

    Correct. This triad is characteristic of Lewy-body dementia.

  • B. Alzheimer disease

    Alzheimer disease usually begins with prominent episodic memory impairment.

  • C. Frontotemporal dementia

    Frontotemporal dementia often begins with behavioural disinhibition or language change.

  • D. Normal-pressure hydrocephalus

    NPH causes gait difficulty, urinary symptoms and cognitive decline.

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 Psychiatry questions

Questions about this Psychiatry question

What is the answer to this Psychiatry question?

The best answer is A, Dementia with Lewy bodies. Dementia with Lewy bodies features cognitive fluctuations, well-formed visual hallucinations, parkinsonism and marked antipsychotic sensitivity.

Why is "Alzheimer disease" not the answer?

Alzheimer disease usually begins with prominent episodic memory impairment.

Why is "Frontotemporal dementia" not the answer?

Frontotemporal dementia often begins with behavioural disinhibition or language change.

Why is "Normal-pressure hydrocephalus" not the answer?

NPH causes gait difficulty, urinary symptoms and cognitive decline.

What concept does this question test?

It tests Dementia: Lewy body disease in Psychiatry. Lewy bodies contain alpha-synuclein.

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 Dementia: Lewy body disease?

Learn each diagnosis by its core features and its first-line treatment. Then use the flashcards and the other Psychiatry 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.