Screening: 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 · Screening

Sample item

True-negative proportion among nondiseased people is what?

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

The answer and the reasoning

D. Specificity

This item reviews Screening; Specificity is the best answer because it directly fits the forensic or public-health principle described.

Option by option

  • A. PPV

    PPV is plausible but not the single best answer.

  • B. Sensitivity

    Sensitivity does not match the stated scenario.

  • C. Incidence

    Incidence is not supported by the key finding.

  • D. Specificity (correct)

    Correct. Specificity is supported by the defining principle.

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 D, Specificity. This item reviews Screening; Specificity is the best answer because it directly fits the forensic or public-health principle described.

Why is "PPV" not the answer?

PPV is plausible but not the single best answer.

Why is "Sensitivity" not the answer?

Sensitivity does not match the stated scenario.

Why is "Incidence" not the answer?

Incidence is not supported by the key finding.

What concept does this question test?

It tests Screening in PSM. The correct option holds because: Correct. Specificity is supported by the defining principle.

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 Screening?

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.