Parasitology: practice question

A Microbiology 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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Microbiology · Parasitology

Sample item

Which parasite causes nocturnal perianal itch in children?

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

The answer and the reasoning

B. Enterobius vermicularis

Enterobius vermicularis deposits eggs around the anus at night, causing characteristic nocturnal itch and spreading within households.

Option by option

  • A. Schistosoma haematobium

    Schistosoma can cause urinary disease.

  • B. Enterobius vermicularis (correct)

    Correct: pinworm causes night perianal itching.

  • C. Leishmania donovani

    Leishmania causes visceral disease.

  • D. Taenia saginata

    Taenia causes intestinal tapeworm infection.

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 Microbiology questions

Questions about this Microbiology question

What is the answer to this Microbiology question?

The best answer is B, Enterobius vermicularis. Enterobius vermicularis deposits eggs around the anus at night, causing characteristic nocturnal itch and spreading within households.

Why is "Schistosoma haematobium" not the answer?

Schistosoma can cause urinary disease.

Why is "Leishmania donovani" not the answer?

Leishmania causes visceral disease.

Why is "Taenia saginata" not the answer?

Taenia causes intestinal tapeworm infection.

What concept does this question test?

It tests Parasitology in Microbiology. The correct option holds because: Correct: pinworm causes night perianal itching.

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 Parasitology?

Make a one-line identity card for each organism: shape and stain, defining test, toxin, disease and drug. Then use the flashcards and the other Microbiology 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.