Cerebrovascular Disease USMLE Step 1 Practice Question
A 57-year-old woman with hypertension presents with sudden onset vertigo, vomiting, hoarseness, and dysphagia. Vital signs show BP 168/94, HR 88, RR 16, Temp 37.2°C, SpO2 98%. Examination reveals right-sided miosis and ptosis, loss of pain and temperature sensation on the right face and left body, and right vocal cord paralysis. MRI demonstrates acute infarction in the right medulla. She denies recent head trauma. Which artery is most likely occluded?
Answer choices
- AMiddle cerebral artery
- BAnterior spinal artery
- CBasilar artery
- DAnterior inferior cerebellar artery
- EPosterior inferior cerebellar arteryCorrect answer
- FVertebral artery
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