Quiz 07/23/2022 (1)

Which of the following EEG artifacts is prominently seen on this EEG?

Which of the following vessels drains into the sigmoid sinus?

A 68-year-old woman with a history of diabetes and hypertension presented urgently to the ED with a 2-day history of headaches and confusion. Before any imaging was able to be completed in the emergency room, the patient had a cardiac arrest and died. An autopsy was requested by the family. A gross pathologic image of the patient’s brain is shown below. What is the most likely etiology of the findings seen in this image?

Which of the following is the mechanism of action for amantadine?

An 85-year-old man with memory issues donates his brain for research on neurodegenerative disease. A histopathologic, Bodian-stained, sample of his brain tissue is shown below. Based on this image provided, what was the patient’s most likely neurodegenerative diagnosis?

Which of the following blood vessels that supply the thalamus is the only one to branch off of the posterior communicating artery (PCOM) instead of the posterior cerebral artery (PCA)?

A 53-year-old man has had increasing difficulty falling and staying asleep over the past 3 months. This is accompanied by hallucinations, delirium, and general clumsiness. He was an orphan as a child and does not know his family’s medical history. If a sleep study is performed, during which stage of sleep would you most likely expect to find an absence of normal sleep architecture?

Aquaporin-4 (AQP4) channels are found on which cell type?

The pathophysiology of the lesion shown in the gross pathologic image below is most likely which of the following?

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

A 6-year-old developmentally normal male presents after experiencing an episode of jerking of the right side of his mouth and inability to speak lasting 2 minutes. The patient is now back to baseline and has an EEG performed. Based on this clinical picture, which of the following abnormalities would you most expect to see on the EEG?

A 31-year-old female who recently delivered a healthy boy 3 days ago comes into the emergency room with a headache and vomiting. Other than requiring an epidural for pain management, the delivery of her child was uncomplicated. Her neurological exam is normal. A brain MRI was completed and is shown below (Left: T1, Right: T2 with contrast). Which of the following is the most likely diagnosis?

A 78-year-old male with no past medical history presents to the ED with left-sided hemiparesis and slurred speech at 9 AM. She is unable to provide a clear clinical history. She was noted to be found at 7:30 AM in bed with the above-stated symptoms. Her husband states that the patient went to bed at 10:00 PM the previous night without any symptoms. CT head shows no blood or hypodensities, and CTA head/neck reveals a right MCA occlusion. Her NIHSS is 17. Which of the following treatment options is the most appropriate next step based on the available data?

Which of the following medications is approved only for moderate to severe Alzheimer’s Disease?