Neurology Quiz #17: Cerebral Perfusion and Arteries

1. A 55-year-old man with a history of hypertension and smoking presents with sudden onset of left-sided weakness and difficulty speaking. Imaging shows an infarct in the region supplied by the middle cerebral artery (MCA). Which brain structure is most likely affected by this infarct? 

Question 1 of 5

2. A 70-year-old woman presents with acute confusion and visual hallucinations. MRI reveals ischemia in the territory of the posterior cerebral artery (PCA). Which visual field defect is most commonly associated with this ischemic event? 

Question 2 of 5

3. A 60-year-old man with atrial fibrillation presents with sudden onset of right-sided weakness and facial droop. A CT scan indicates an ischemic stroke in the region supplied by the anterior cerebral artery (ACA). Which limb is most likely to be affected by this stroke? 

Question 3 of 5

4. During a study session, a group of medical students discuss the venous drainage of the brain. One student asks which vein is responsible for draining most of the deep cerebral veins and basal ganglia. Which of the following is the correct answer? 

Question 4 of 5

5. A 25-year-old woman presents with a sudden, severe headache followed by loss of consciousness. A CT scan reveals subarachnoid hemorrhage. The most likely source of this hemorrhage is a rupture of an aneurysm in which of the following arteries? 

Question 5 of 5


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