Immunization: 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 · Immunization

Sample item

What may reduce vaccine program effectiveness?

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

The answer and the reasoning

A. Cold-chain failure

This item reviews Immunization; Cold-chain failure is the best answer because it directly fits the forensic or public-health principle described.

Option by option

  • A. Cold-chain failure (correct)

    Correct. Cold-chain failure matches the defining principle.

  • B. Good coverage

    Good coverage does not fit the stated scenario.

  • C. Staff training

    Staff training is unsupported by the key information.

  • D. Correct dosing

    Correct dosing is plausible but not the best answer.

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, Cold-chain failure. This item reviews Immunization; Cold-chain failure is the best answer because it directly fits the forensic or public-health principle described.

Why is "Good coverage" not the answer?

Good coverage does not fit the stated scenario.

Why is "Staff training" not the answer?

Staff training is unsupported by the key information.

Why is "Correct dosing" not the answer?

Correct dosing is plausible but not the best answer.

What concept does this question test?

It tests Immunization in PSM. The correct option holds because: Correct. Cold-chain failure matches 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 Immunization?

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.