Sterilization: practice question

A Microbiology 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.

Try it

Microbiology · Sterilization

Sample item

Which process is suitable for heat-sensitive endoscopic equipment?

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

The answer and the reasoning

B. Low-temperature chemical or gas sterilization

Heat-sensitive equipment may require validated low-temperature sterilization or high-level disinfection according to device classification and manufacturer instructions.

Option by option

  • A. Unprotected storage after washing

    Storage must preserve cleanliness after processing.

  • B. Low-temperature chemical or gas sterilization (correct)

    Correct: low-temperature methods protect heat-sensitive devices.

  • C. Dry heat at very high temperature

    Dry heat may damage delicate equipment.

  • D. Boiling water only for every device

    Boiling may be insufficient for critical devices.

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 Microbiology questions

Questions about this Microbiology question

What is the answer to this Microbiology question?

The best answer is B, Low-temperature chemical or gas sterilization. Heat-sensitive equipment may require validated low-temperature sterilization or high-level disinfection according to device classification and manufacturer instructions.

Why is "Unprotected storage after washing" not the answer?

Storage must preserve cleanliness after processing.

Why is "Dry heat at very high temperature" not the answer?

Dry heat may damage delicate equipment.

Why is "Boiling water only for every device" not the answer?

Boiling may be insufficient for critical devices.

What concept does this question test?

It tests Sterilization in Microbiology. The correct option holds because: Correct: low-temperature methods protect heat-sensitive devices.

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 Sterilization?

Make a one-line identity card for each organism: shape and stain, defining test, toxin, disease and drug. Then use the flashcards and the other Microbiology 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.