Radiation protection: practice question

A Radiology 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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Radiology · Radiation protection

Sample item

Which radiation-protection principle means keeping exposure as low as reasonably achievable while obtaining diagnostic information?

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

The answer and the reasoning

C. ALARA

ALARA means 'as low as reasonably achievable' and guides optimization of ionizing-radiation exposure. Justification and dose limitation are complementary principles.

Option by option

  • A. FAST

    FAST is a focused trauma ultrasound examination.

  • B. ABCDE

    ABCDE is a clinical assessment sequence.

  • C. ALARA (correct)

    Correct. ALARA is the core optimization principle.

  • D. DICOM

    DICOM is a standard for medical imaging data.

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.

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Questions about this Radiology question

What is the answer to this Radiology question?

The best answer is C, ALARA. ALARA means 'as low as reasonably achievable' and guides optimization of ionizing-radiation exposure.

Why is "FAST" not the answer?

FAST is a focused trauma ultrasound examination.

Why is "ABCDE" not the answer?

ABCDE is a clinical assessment sequence.

Why is "DICOM" not the answer?

DICOM is a standard for medical imaging data.

What concept does this question test?

It tests Radiation protection in Radiology. Justification and dose limitation are complementary principles.

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 Radiation protection?

Learn signs with the image, and the disease they point to. Then use the flashcards and the other Radiology 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.