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A 40-year-old male is brought to the emergency room unresponsive after getting into a motor vehicle accident. On physical exam, his pupils are equally reactive to light. He can close his eyes and look up and down but not side to side. His motor exam otherwise has 0/5 strength symmetrically. The Babinski reflex is upgoing bilaterally. These symptoms can be explained by occlusion of which of the following vessels?
Per the American Academy of Neurology guidelines, which of the following diagnostic tests should be included in the routine evaluation of the demented patient?
Which of the following genetic abnormalities is most common in the pathology shown in the image below?
A 5-year-old girl is brought in by her parents because of 1 month of episodes of screaming at night. She has no recollection of these events in the mornings and she is developmentally appropriate and healthy otherwise. What is the best treatment?
Which of the following arteries supplying the thalamus provides supply to the lateral geniculate nucleus (LGN)?
Which of the following is the mechanism of action of tolcapone?
Which of the following is the correct order of internal carotid artery segments (from proximal to distal)?
A 58-year-old woman presents with worsening memory loss and a 50-pound weight gain over the past six months. On neurological exam, her Mini-Mental Status Examination (MMSE) yields a score of 21/30. She has intact sensation, normal muscle bulk, tone, and strength, but diffuse hyporeflexia. Which of the following is most likely the diagnosis?
An 18-year-old boy had an MRI performed after experiencing a first-time seizure shown below. What genetic disorder could be the cause of the abnormalities appreciated on imaging?
A 12-year-old patient with neurofibromatosis type I is found to have a cerebellar cystic mass with a mural nodule and contrast-enhancing rim after presenting with symptoms of increased intracranial pressure. The lesion was surgically resected and an example of the pathologic findings is shown below. What is the most likely diagnosis?