Quiz 07/22/2022 (1)

A 68-year-old woman presents to the emergency room with a 3-month history of worsening cognition, ataxia, dysphagia, and periodic episodes of brachial dystonia, and facial grimacing. A continuous EEG was performed but no EEG correlate was seen with the abnormal movements. An autoimmune process is suspected. Which of the following serum autoantibodies is most likely present?

A 48-year-old man with a 20-year history of HIV stable on HAART therapy presents to your clinic accompanied by his partner who states that the patient has had mounting difficulties over the last 3 years. Most recently he has been unable to effectively manage finances, cook for himself, or arrange appointments. What is the best diagnosis at this time?

A 23-year-old female with relapsing-remitting multiple sclerosis (RRMS) that is well-controlled on teriflunomide presents for routine follow-up. Today she expresses interest in having a child. Which of the following statements regarding multiple sclerosis and pregnancy is true?

Which of the following syndromes are most likely associated with the lesion shown in the image below?

A 46-year-old male with a 2-month history of progressive headache and behavioral changes presents to the ED after experiencing a first-time seizure. An MRI was performed and shown below. A brain biopsy confirmed the diagnosis when it found pseudopalisading necrosis and microvascular proliferation. Which of the following treatment(s) is the standard of care for this patient?

A 56-year-old woman with a history of right temporal epilepsy with no other comorbidities had an ambulatory 24-hour EEG performed. What is the state of the patient in this segment of the recording?

Which of the following is not a known side effect of chronic phenytoin use?

Which of the following vessels that supply the thalamus typically originates from the posterior communicating artery (PCOM)?

A 22-month-old girl presents with her mother for abnormal movements and loss of milestones. The mother describes the patient frequently and repetitively squeezes and twists her hands, and has lost some of her developmental milestones including fine motor skills and verbal speech. She has stopped walking as well. On examination of growth curves, her head circumference percentile appears to have fallen off of the curve. The patient has no other past medical problems, no past trauma, or past infections, and had been developing normally up until now. Of the following, which is most likely true?

A 24-year-old patient had a severe unhelmeted motorcycle accident and despite best efforts by medication providers, he passed away two days later. An autopsy was performed. Identify the structure marked by the white arrow.

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

Which of the following is a common side effect of levodopa therapy?

You are consulted to the psychiatric hospital to see a 48-year-old female with schizophrenia who has been under psychiatric care for 2 weeks after ingesting hundreds of pennies over a prolonged period. You are asked to address her new complaints of numbness in her feet and trouble walking. On exam, she had a broad-based gait and a positive Romberg. What could explain these findings?

Which of the following vessels drains into the sigmoid sinus?

The electrical fields that generate the cortical activity appreciated on electroencephalogram (EEG) are the result of which of the following?