Infections: milker's nodule: 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 · Infections: milker's nodule

Sample item

A dairy worker develops one or two firm, red-purple, weeping nodules on the fingers a week after handling cows with teat lesions. Which virus is responsible?

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

The answer and the reasoning

B. Paravaccinia virus

Milker's nodule is caused by paravaccinia virus, a parapoxvirus acquired from the teats of infected cattle. Lesions resolve spontaneously in 4 to 6 weeks. It is clinically similar to orf from sheep and goats.

Option by option

  • A. Human papillomavirus

    HPV gives verrucous warts.

  • B. Paravaccinia virus (correct)

    Correct. Paravaccinia virus causes milker's nodule.

  • C. Herpes simplex virus

    HSV gives grouped vesicles.

  • D. Molluscum contagiosum virus

    Molluscum gives pearly umbilicated papules.

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 B, Paravaccinia virus. Milker's nodule is caused by paravaccinia virus, a parapoxvirus acquired from the teats of infected cattle.

Why is "Human papillomavirus" not the answer?

HPV gives verrucous warts.

Why is "Herpes simplex virus" not the answer?

HSV gives grouped vesicles.

Why is "Molluscum contagiosum virus" not the answer?

Molluscum gives pearly umbilicated papules.

What concept does this question test?

It tests Infections: milker's nodule in Dermatology. Lesions resolve spontaneously in 4 to 6 weeks. It is clinically similar to orf from sheep and goats.

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 Infections: milker's nodule?

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.