Question 1
On a non-contrast CT for acute stroke, a linear hyperdensity is seen in the left sylvian fissure within the first 6 hours. What does this sign most likely represent?
Correct Answer:
Hyperdense MCA sign indicating thrombus in the M1/M2 segment
Question 2
The loss of gray-white matter differentiation along the lateral margin of the insula on non-contrast CT is known as which sign?
Correct Answer:
Insular ribbon sign
Question 3
On the ASPECTS score, what is the maximum (normal) score and what does each point deduction represent?
Correct Answer:
Maximum 10; each point deducted for an involved region of the MCA territory
Question 4
On CT perfusion in acute ischemic stroke, which combination of parameters best defines the ischemic penumbra (salvageable tissue)?
Correct Answer:
Decreased CBF with preserved or increased CBV and prolonged Tmax
Question 5
A patient presents with stroke symptoms at an unknown time of onset. DWI shows restricted diffusion but FLAIR shows no corresponding signal change. What does this DWI-FLAIR mismatch suggest?
Correct Answer:
The infarct is likely within the last 4.5 hours, making IV tPA potentially appropriate
Question 1
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Prepare with the ABR Neuroradiology Practice Questions - ABR Neuroradiology Subspecialty Certificate of Added Qualification (CAQ) Exam practice quiz. This question bank includes 100 questions covering diagnosis, patient, presents, shows, and mass. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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ABR Neuroradiology Practice Questions - ABR Neuroradiology Subspecialty Certificate of Added Qualification (CAQ) Exam

This practice set contains 100 questions from the matching question bank and focuses on diagnosis, patient, presents, shows, and mass. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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