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You are reading a visual evoked potential (VEP) that has a prolonged P100 latency in the right eye and a normal latency in the left eye. Of the following, which pathology is most consistent with this study?
What anatomical structure is the most common location for a Mycobacterium tuberculosis-related CNS infection?
A 24-year-old weight-lifter presents after sudden-onset neck pain. On exam, there is right eye ptosis and asymmetric right pupil constriction. Additionally, the patient appreciated decreased sweat production on the right side of his face. 1% hydroxyamphetamine eye drops are administered to the right eye and it dilates. Where is the most likely site of the patient’s lesion?
Which of the following headaches is most likely to respond to a combination of caffeine and lithium?
An 85-year-old woman presents to the hospital with an acute onset of language impairment. On examination, she has difficulty with comprehension but her verbal fluency and repetition are normal. Which of the following best describes her deficits?
A 36-year-old female with a history of renal cell carcinoma with headaches and slight right arm/leg ataxia had an MRI of the brain that showed a contrast-enhancing lesion in the right cerebellum. Surgical resection was completed and histology of the lesion is shown below. This patient most likely has which of the following diagnoses?
A 75-year-old woman with HTN presents with sudden memory deficits and a change in emotional regulation. She is found to have a lacunar infarct, and you feel a disconnection of the Papez circuit may explain her symptoms. Which of the following is not considered a part of the Papez circuit?
Which of the following muscles is innervated by the vagus nerve (CN X)?
Narcolepsy is associated with which of the following HLA alleles?
Which of the following is the first branch of the internal carotid artery once it enters the skull?
Aquaporin-4 (AQP4) channels are found on which cell type?
A 35-year-old male presented for sudden onset painless central vision loss. An outside hospital emergency room physician suggested he may have had a CRAO, but recommended immediate ophthalmology outpatient evaluation. The patient was unfortunately lost to follow-up for a few months. He presents today due to a sudden onset of central vision loss in the other eye.
On your ophthalmologic exam, you note hyperemic optic nerve and tortuous central retinal vessels, without evidence of vessel cutoff. He has a central scotoma bilaterally, with peripheral vision intact. He has red color desaturation as well. MRI brain w/ and w/o contrast with fat suppression and thin cuts through the orbits is performed, and normal.
This disorder is caused by which of the following pathologic processes?
Which of the following testing can be used to diagnose a small fiber neuropathy?
Which of the following is appreciated in the right posterior quadrant in the EEG shown below?