Quiz 07/21/2022

A 57-year-old male presents to the Emergency Room with a 3-month history of progressive altered mental status. On examination, the patient had ataxia and hyperekplexia. An MRI is performed and shown below. What is the most likely etiology of the patient’s deficits?

While on the consult service you are called to see a patient from the surgical ICU whose hospital course has been complicated by a prolonged episode of ventricular tachycardia and hypoperfusion. After a return to spontaneous circulation, an MRI is performed due to concerns for ischemic stroke. MRI shows bilateral parietal-occipital hyperintensities on diffusion-weighted imaging consistent with watershed infarcts. Once he recovers from his cardiac event, what neurologic symptoms would you expect based on the MRI findings?

What is the mechanism of action of phenobarbital?

Which of the following symptoms seen with normal pressure hydrocephalus (NPH) is the most responsive CSF shunt placement?

A 32-year-old man with a 4-week history of painful swelling on his right forehead presents to the emergency room. A CT scan of the head was performed and is shown below. What is the most likely diagnosis?

Which of the following best describes the clinical features seen in transcortical motor aphasia?

Oculomotor nerve palsy is most likely to be seen secondary to an aneurysm in which of the following arteries?

Which of the following is seen on muscle biopsy in patients with steroid myopathy?

Which of the following embryologic derivatives myelinates the peripheral nervous system (PNS)?

Which of the following is the mechanism of action of ocrelizumab?

A 53-year-old male presents with a 3-month history of hypersexuality, visual agnosia, excessive chewing, and lip-smacking. Past medical history is notable for HSV encephalitis 6 months ago, which was treated with IV acyclovir. Based on the clinical history and examination, which of the following would most likely be appreciated on a brain MRI?

What is the most appropriate therapy for the infection depicted in the pathology slide below?

Optic nerve glioma is associated with which of the following diseases?

Which of the following findings is depicted in the MR Angiogram shown below?

Which of the following conditions is most likely to have an associated disorder of abnormal motor activity during the following sleep state?