Radiology Assessment

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

Module 04 — Contrast Media & Patient Preparation

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Question 01 • Single best answer

Which contrast class is commonly used for contrast-enhanced CT?

A. Gadolinium as the universal CT agent B. Iodinated contrast C. Ultrasound gel D. A radioactive tracer in every CT

Question 02 • Single best answer

What determines whether contrast is needed?

A. A rule that all scans need it B. The diagnostic question and protocol C. The number of pages in the referral D. The presence of any old scar

Question 03 • Single best answer

Which allergy history is most useful before contrast administration?

A. The word allergy without details B. The specific prior agent, symptoms and severity C. A relative’s unrelated food preference D. The patient’s blood group alone

Question 04 • Single best answer

How should severe kidney disease affect a necessary contrast examination?

A. Automatically prohibit every examination B. Trigger individualized assessment of benefit, risk and alternatives C. Be ignored because contrast never matters D. Require the same agent and dose for everyone

Question 05 • Single best answer

Which symptom is more concerning than brief warmth during injection?

A. A brief metallic taste alone B. Transient mild warmth alone C. Awareness of the cannula D. Progressive wheeze with hypotension

Question 06 • Single best answer

Does premedication guarantee that no contrast reaction will occur?

A. No B. Yes, for every agent C. Yes, if the scan is brief D. Only when oral contrast is used

Question 07 • Single best answer

Painful swelling around an injection site suggests what?

A. Contrast extravasation B. Improved intravenous flow C. A normal requirement for enhancement D. A remote bowel obstruction

Question 08 • Single best answer

What is an appropriate response to suspected extravasation during injection?

A. Continue until the planned volume is complete B. Ignore it if images look adequate C. Massage forcefully without assessment D. Stop injection and alert trained staff

Question 09 • Single best answer

What determines fasting instructions for imaging?

A. A universal day-long fast for all modalities B. Only the patient’s age C. The specific examination and any sedation plan D. Whether a report will be printed

Question 10 • Single best answer

What is appropriate aftercare advice for a patient with fluid restriction?

A. Unrestricted drinking regardless of disease B. Individualized fluid advice from the treating team C. Permanent avoidance of all fluids D. Identical advice for every contrast recipient

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