Zoonoses: 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 · Zoonoses

Sample item

Which exposure is classically associated with leptospirosis?

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

The answer and the reasoning

C. Freshwater contaminated by animal urine

Leptospira can enter through skin or mucosa after contact with water or soil contaminated by urine of infected animals, causing fever and renal-hepatic disease.

Option by option

  • A. Contaminated dental instruments

    Dental instruments are not typical source.

  • B. Undercooked shellfish only

    Shellfish has other foodborne risks.

  • C. Freshwater contaminated by animal urine (correct)

    Correct: animal-urine-contaminated water is classic exposure.

  • D. Cat scratch only

    Cat scratch suggests Bartonella.

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 C, Freshwater contaminated by animal urine. Leptospira can enter through skin or mucosa after contact with water or soil contaminated by urine of infected animals, causing fever and renal-hepatic disease.

Why is "Contaminated dental instruments" not the answer?

Dental instruments are not typical source.

Why is "Undercooked shellfish only" not the answer?

Shellfish has other foodborne risks.

Why is "Cat scratch only" not the answer?

Cat scratch suggests Bartonella.

What concept does this question test?

It tests Zoonoses in Microbiology. The correct option holds because: Correct: animal-urine-contaminated water is classic exposure.

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 Zoonoses?

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.