Acne: 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 · Acne

Sample item

A teenager has comedones, papules, pustules, and nodules on the face and back. Which lesion is most specific for acne vulgaris?

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

The answer and the reasoning

C. Comedone

Acne vulgaris involves follicular plugging and inflammation; open or closed comedones are the defining primary lesion. Severity and scarring risk guide topical, systemic, and referral treatment.

Option by option

  • A. Wheal

    Wheals are transient edematous lesions of urticaria.

  • B. Purpura

    Purpura reflects extravasated blood.

  • C. Comedone (correct)

    Correct. Comedones distinguish acne from many other inflammatory eruptions.

  • D. Vesicle

    Vesicles contain clear fluid and occur in viral and eczematous conditions.

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 C, Comedone. Acne vulgaris involves follicular plugging and inflammation; open or closed comedones are the defining primary lesion.

Why is "Wheal" not the answer?

Wheals are transient edematous lesions of urticaria.

Why is "Purpura" not the answer?

Purpura reflects extravasated blood.

Why is "Vesicle" not the answer?

Vesicles contain clear fluid and occur in viral and eczematous conditions.

What concept does this question test?

It tests Acne in Dermatology. Severity and scarring risk guide topical, systemic, and referral treatment.

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 Acne?

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.