Communicable disease control: 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 · Communicable disease control

Sample item

What is the purpose of post-exposure prophylaxis?

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

The answer and the reasoning

A. Prevent disease after a defined exposure

Post-exposure prophylaxis uses vaccines, immunoglobulin, or medicines after a relevant exposure to reduce likelihood or severity of infection.

Option by option

  • A. Prevent disease after a defined exposure (correct)

    Correct: it acts after exposure before disease develops.

  • B. Treat chronic disease without exposure

    It is not chronic disease treatment.

  • C. Measure herd immunity

    Herd immunity is population protection.

  • D. Replace vaccination programmes

    Routine vaccination remains important.

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, Prevent disease after a defined exposure. Post-exposure prophylaxis uses vaccines, immunoglobulin, or medicines after a relevant exposure to reduce likelihood or severity of infection.

Why is "Treat chronic disease without exposure" not the answer?

It is not chronic disease treatment.

Why is "Measure herd immunity" not the answer?

Herd immunity is population protection.

Why is "Replace vaccination programmes" not the answer?

Routine vaccination remains important.

What concept does this question test?

It tests Communicable disease control in PSM. The correct option holds because: Correct: it acts after exposure before disease develops.

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 Communicable disease control?

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.