Radiology Assessment

20 learning units • 10 questions per unit • 200 explained questions

Module 03 — Radiation Protection & Pregnancy

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Question 01 • Single best answer

What does justification ask?

A. Whether every image can be acquired at zero dose B. Whether the scanner is available C. Whether expected benefit exceeds potential harm D. Whether the patient has never been scanned before

Question 02 • Single best answer

What is the goal of optimization?

A. The lowest exposure even if images are unusable B. The highest exposure for every study C. The same settings for all ages D. Adequate diagnostic quality with appropriately controlled exposure

Question 03 • Single best answer

Which examination uses ionizing radiation?

A. CT B. Conventional ultrasound C. Standard MRI D. Doppler ultrasound

Question 04 • Single best answer

Why is one fixed dose value inadequate for every CT study?

A. Protocol, coverage and patient factors vary B. Every CT uses exactly the same exposure C. Contrast completely removes radiation D. Dose depends only on the report length

Question 05 • Single best answer

What is a diagnostic reference level used for?

A. A strict dose limit for each patient B. Comparing typical practice to support optimization C. Predicting exact individual cancer probability D. Replacing examination justification

Question 06 • Single best answer

Which change may increase CT exposure without adding value?

A. Reviewing prior images B. Narrowing coverage appropriately C. Unnecessary repeated acquisition phases D. Selecting an indicated alternative modality

Question 07 • Single best answer

What should happen when essential imaging is needed during pregnancy?

A. Individual benefit-risk review and an appropriate protocol B. Automatic refusal of all imaging C. Automatic termination counseling without assessment D. Use of any protocol without screening

Question 08 • Single best answer

What determines fetal exposure in an X-ray examination?

A. Field location and technical and patient factors B. The examination name alone C. The report’s word count D. Whether the image is printed

Question 09 • Single best answer

How should pediatric CT be planned?

A. With unchanged adult settings B. With size- and question-appropriate parameters and coverage C. With every possible contrast phase D. By omitting the clinical indication

Question 10 • Single best answer

Which explanation is most balanced?

A. Radiation is always completely harmless B. Any X-ray guarantees future cancer C. Prior scans prohibit all further imaging D. This indicated study has an expected benefit and a risk that we minimize

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