Outbreak investigation: practice question

A PSM 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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PSM · Outbreak investigation

Sample item

Why is a case definition created during outbreak investigation?

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

The answer and the reasoning

A. Classify cases consistently for counting and comparison

A standard case definition ensures investigators count comparable cases by person, place, time, and clinical or laboratory criteria.

Option by option

  • A. Classify cases consistently for counting and comparison (correct)

    Correct: consistent classification makes outbreak data interpretable.

  • B. Exclude laboratory testing

    Laboratory criteria may be included in definitions.

  • C. Determine every patient's treatment dose

    Treatment remains individualized.

  • D. Assign criminal responsibility

    Outbreak definitions are not criminal tools.

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 PSM questions

Questions about this PSM question

What is the answer to this PSM question?

The best answer is A, Classify cases consistently for counting and comparison. A standard case definition ensures investigators count comparable cases by person, place, time, and clinical or laboratory criteria.

Why is "Exclude laboratory testing" not the answer?

Laboratory criteria may be included in definitions.

Why is "Determine every patient's treatment dose" not the answer?

Treatment remains individualized.

Why is "Assign criminal responsibility" not the answer?

Outbreak definitions are not criminal tools.

What concept does this question test?

It tests Outbreak investigation in PSM. The correct option holds because: Correct: consistent classification makes outbreak data interpretable.

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 Outbreak investigation?

Practise biostatistics with small calculations until sensitivity, predictive values and risk measures are automatic. Then use the flashcards and the other PSM 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.