Neurology: Case of the Month

Test Yourself — Patient 23

Alexia without Agraphia

1. Components of the angular gyrus syndrome include all of the following, EXCEPT:
   • [ A ] Dysgraphia
   • [ B ] Alexia
   • [ C ] Acalculia
   • [ D ] Right-left confusion
   • [ E ] Achromatopsia
2. Neurological deficits that may result from the typical left PCA lesion causing alexia without agraphia include all of the follwing, EXCEPT:
   • [ A ] Ideomotor apraxia
   • [ B ] Homonymous hemianopsia
   • [ C ] Superior quadrantanopsia
   • [ D ] Color anomia
   • [ E ] Achromatopsia
3. All of the following suggest an embolic source for a stroke, EXCEPT:
   • [ A ] Stuttering course
   • [ B ] Deficit is maximal at onset
   • [ C ] CT shows a wedge-shaped infarct
   • [ D ] Occurs in a patient with atrial fibrillation
   • [ E ] Primarily cortical rather than subcortical involvement
4. All of the following statements regarding alexia are TRUE, EXCEPT:
   • [ A ] Patients with central alexia cannot recognize words spelled aloud.
   • [ B ] The primary defect in anterior alexia is in understanding strings of grammatically "charged" words, such as conjunctions.
   • [ C ] Alexia without agraphia usually results from a lesion involving the left mesial occipital lobe extending into the splenium of the corpus callosum.
   • [ D ] Central alexia usually results from a lesion involving the inferior, posterior frontal lobe.
   • [ E ] Acalculia usually results from a lesion involving the dominant parietal lobe.
5. Components of Gerstmann's syndrome include all of the following EXCEPT:
   • [ A ] Alexia
   • [ B ] Dysgraphia
   • [ C ] Finger agnosia
   • [ D ] Right-left confusion
   • [ E ] Dyscalculia

 

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