Leprosy: 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 · Leprosy

Sample item

In which type of leprosy is the lepromin test strongly positive?

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

The answer and the reasoning

D. Tuberculoid leprosy

A strong cell-mediated response in tuberculoid disease gives a positive lepromin test. In lepromatous leprosy the response is absent, so the test is negative. The test is used for prognosis and classification, not diagnosis.

Option by option

  • A. Lepromatous leprosy

    Lepromatous leprosy has a negative test.

  • B. It is positive in all types

    The test varies by type.

  • C. Borderline lepromatous leprosy

    Borderline lepromatous leprosy also has a poor response.

  • D. Tuberculoid leprosy (correct)

    Correct.

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 D, Tuberculoid leprosy. A strong cell-mediated response in tuberculoid disease gives a positive lepromin test.

Why is "Lepromatous leprosy" not the answer?

Lepromatous leprosy has a negative test.

Why is "It is positive in all types" not the answer?

The test varies by type.

Why is "Borderline lepromatous leprosy" not the answer?

Borderline lepromatous leprosy also has a poor response.

What concept does this question test?

It tests Leprosy in Dermatology. In lepromatous leprosy the response is absent, so the test is negative. The test is used for prognosis and classification, not diagnosis.

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 Leprosy?

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.