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General Medicine · Neurology: stroke
Sample itemA patient develops aphasia and right face-arm weakness greater than leg weakness. Which artery is most likely occluded?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Left middle cerebral artery
The dominant MCA supplies lateral frontal and temporal cortex, including language areas, and the lateral motor cortex representing face and arm.
Option by option
A. Basilar artery
Basilar occlusion produces brainstem findings or locked-in syndrome.
B. Left middle cerebral artery (correct)
Correct. Dominant MCA infarction fits aphasia with face-arm deficit.
C. Right posterior cerebral artery
PCA infarction often causes visual-field loss.
D. Left anterior cerebral artery
ACA infarction favours contralateral leg weakness.
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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