Quiz 07/30/2022 (1)

What sensitivity should the EEG be at to qualify for brain death criteria?

Which of the following is the first branch of the internal carotid artery once it enters the skull?

An 80-year-old female presents with abnormal eye movements and cognition. She has also been experiencing problems with gait and memory. An MRI of the brain revealed midbrain atrophy, with relative sparing of the other brainstem structures. Which of the following is the most likely diagnosis?

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

An MRI is ordered on a man with a known history of ischemic stroke and bilateral upper extremity weakness. Which of the following was the most likely cause of his ischemic injury?

A 37-year-old male with the chief complaint of insidious unilateral hearing loss was found to have an acoustic neuroma on MRI. If a brainstem auditory evoked potential (BAEP) was performed which of the following would be most likely found?

A 56-year-old male with a past medical history of smoking presents to the clinic with the chief complaint of a 1-month history of progressive muscle weakness. Interestingly, he notes that his strength seems to improve with repeated use. The physical examination is notable for proximal muscle weakness of the bilateral lower extremities and areflexia in all extremities. Serology and electrodiagnostic testing confirm the diagnosis. What is the first-line therapy for symptomatic management?

A 23-year-old female with a past medical history of depression presents with right arm paralysis that started after she found out her boyfriend died from a motor vehicle accident. Her physical exam shows no effort during muscle strength testing and positive withdrawal when a noxious stimulus is applied. The rest of the neurological examination, including reflexes, was normal. MRI of the brain and cervical spine were unremarkable. Which of the following is the most likely diagnosis?

A 37-year-old woman with a history of chronic alcoholism and amphetamine abuse presents to the ED with a 36-hour history of recurrent hematemesis and abdominal pain. She had no detectible ethanol levels in her blood on arrival. In the ED she complains of double vision and is started on intravenous fluid replacement. Two hours later the patient begins to develop ataxia and becomes progressively disoriented. The patient’s rapid deterioration is most likely due to which condition?

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

A 20-year-old female presents with complaints of 2 years of excessive daytime sleepiness and brain fog during the day. She reports sleeping is unrefreshing. In the morning she has difficulty waking up and feels an uncontrollable desire to go back to sleep. She denies difficulty staying asleep during the night and denies episodes of suddenly collapsing in stressful situations. She had a polysomnogram where she slept for 12 hours, had 4 apneic episodes per hour, had REM sleep onset latency of 7 minutes, and did not have sleep-onset REM periods (SOREMPs). Which of the following is her diagnosis?

Which of the following is an appropriate test to assess for dorsolateral frontal lobe dysfunction?

The pathology shown in the image below is likely secondary to which of the following?

A 28-year-old female is brought to the emergency room by her husband because of behavioral changes and memory issues over the last 4 days. Right after the MRI, shown below, the patient had a tonic-clonic seizure. Based on the limited clinical history and imaging provided, which of the following is the most likely diagnosis?

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