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

Why is maintaining the vaccine cold chain important?

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

The answer and the reasoning

D. It preserves vaccine potency until administration

The cold chain keeps temperature-sensitive vaccines within their recommended storage range from manufacture to administration, preserving potency and preventing wasted doses or failed immune responses.

Option by option

  • A. It increases the patient's body temperature

    Cold-chain equipment is not intended to change patient temperature.

  • B. It replaces documentation of stock movement

    Stock records remain essential for accountability and quality control.

  • C. It eliminates the need for sterile technique

    Sterile technique and safe injection practice remain necessary.

  • D. It preserves vaccine potency until administration (correct)

    Correct: correct storage protects vaccine potency.

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, It preserves vaccine potency until administration. The cold chain keeps temperature-sensitive vaccines within their recommended storage range from manufacture to administration, preserving potency and preventing wasted doses or failed immune responses.

Why is "It increases the patient's body temperature" not the answer?

Cold-chain equipment is not intended to change patient temperature.

Why is "It replaces documentation of stock movement" not the answer?

Stock records remain essential for accountability and quality control.

Why is "It eliminates the need for sterile technique" not the answer?

Sterile technique and safe injection practice remain necessary.

What concept does this question test?

It tests Immunization in PSM. The correct option holds because: Correct: correct storage protects vaccine potency.

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.