Psoriasis: practice question

A Dermatology 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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Dermatology · Psoriasis

Sample item

Which morphology is typical of chronic plaque psoriasis?

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

The answer and the reasoning

A. Well-demarcated erythematous plaques with scale

Plaque psoriasis classically produces sharply defined erythematous plaques with overlying silvery scale, often on extensor surfaces.

Option by option

  • A. Well-demarcated erythematous plaques with scale (correct)

    Correct: this is the classic plaque pattern.

  • B. A solitary painless black eschar

    A black eschar has a different differential diagnosis.

  • C. Transient wheals that disappear within hours

    Wheals suggest urticaria.

  • D. Grouped vesicles on a dermatome

    Dermatomal vesicles suggest herpes zoster.

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 Dermatology questions

Questions about this Dermatology question

What is the answer to this Dermatology question?

The best answer is A, Well-demarcated erythematous plaques with scale. Plaque psoriasis classically produces sharply defined erythematous plaques with overlying silvery scale, often on extensor surfaces.

Why is "A solitary painless black eschar" not the answer?

A black eschar has a different differential diagnosis.

Why is "Transient wheals that disappear within hours" not the answer?

Wheals suggest urticaria.

Why is "Grouped vesicles on a dermatome" not the answer?

Dermatomal vesicles suggest herpes zoster.

What concept does this question test?

It tests Psoriasis in Dermatology. The correct option holds because: Correct: this is the classic plaque pattern.

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 Psoriasis?

Learn each condition by its primary lesion, site and signature sign. Then use the flashcards and the other Dermatology 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.