Infection control: practice question

A Dentistry 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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Dentistry · Infection control

Sample item

Why is hand hygiene required before and after dental patient contact?

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

The answer and the reasoning

D. Reduce cross-transmission

The central Infection control principle supports Reduce cross-transmission; it is the answer that most directly explains the image finding, modality choice, or oral-health feature described.

Option by option

  • A. Replace sterilization

    Replace sterilization may be used elsewhere but is not the strongest answer here.

  • B. Change tooth shade

    Change tooth shade does not fit the stated infection control context.

  • C. Increase plaque formation

    Increase plaque formation is not supported by the imaging or dental clue provided.

  • D. Reduce cross-transmission (correct)

    Correct. Reduce cross-transmission best matches the key information in this scenario.

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 Dentistry questions

Questions about this Dentistry question

What is the answer to this Dentistry question?

The best answer is D, Reduce cross-transmission. The central Infection control principle supports Reduce cross-transmission; it is the answer that most directly explains the image finding, modality choice, or oral-health feature described.

Why is "Replace sterilization" not the answer?

Replace sterilization may be used elsewhere but is not the strongest answer here.

Why is "Change tooth shade" not the answer?

Change tooth shade does not fit the stated infection control context.

Why is "Increase plaque formation" not the answer?

Increase plaque formation is not supported by the imaging or dental clue provided.

What concept does this question test?

It tests Infection control in Dentistry. The correct option holds because: Correct. Reduce cross-transmission best matches the key information in this scenario.

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 Infection control?

Learn the dental formula, eruption ages and tooth structure once, as tables. Then use the flashcards and the other Dentistry 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.