Try it
General Medicine · Neurology: conduction aphasia
Sample itemA patient speaks fluently and understands speech well but cannot repeat sentences and makes frequent phonemic paraphasias. Which structure is disrupted?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Arcuate fasciculus
Conduction aphasia results from damage to the arcuate fasciculus that links the receptive and expressive language areas. Comprehension and fluency are preserved, but repetition is poor with phonemic paraphasias.
Option by option
A. Broca area in the inferior frontal gyrus
Broca area damage gives non-fluent speech with preserved comprehension.
B. Wernicke area in the superior temporal gyrus
Wernicke area damage gives fluent speech with poor comprehension.
C. Arcuate fasciculus (correct)
Correct. A lesion of the connecting white matter tract spares comprehension and fluency but impairs repetition.
D. Angular gyrus in the parietal lobe
Angular gyrus lesions cause alexia with agraphia and Gerstmann features.
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.
More General Medicine questions
- EndocrinologyA 19-year-old with type 1 diabetes presents with vomiting, deep rapid breathing, fruity…
- ElectrolytesWhich is the earliest ECG change in hyperkalaemia?
- Infectious diseaseWhat is the drug of choice for Pneumocystis jirovecii pneumonia in a patient with advanc…
- NeurologyA chronic alcohol user is brought in confused, with nystagmus and an unsteady gait. What…