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Which of the following drug-mechanism pairs is incorrect?
A 40-year-old man from Honduras presents to the emergency room after experiencing a first-time seizure. CT head showed multiple calcified intraparenchymal lesions. Physical examination in the emergency room was unremarkable except for the presence of multiple subcutaneous nodules. A biopsy of one of these nodules was completed and microscopic imaging of the lesion is shown below. What is the most likely diagnosis?
Which of the following brainstem auditory evoked potential (BAEP) results is most consistent with brain death?
Cerebral amyloid angiopathy would be best appreciated on which of the following MRI sequences?
A 3-year-old female with a past medical history of recurrent sinus infections is brought to the clinic by her father because of unsteadiness on her feet for the past 4 months. Her father states that she began walking at 12 months. However, more recently, she has been losing her balance and has been falling. On physical exam, she has truncal ataxia and an ataxic gait. An ocular exam reveals dilation of the retinal capillaries. Labs are ordered that show an elevated alpha-fetoprotein. Which of the following is the most likely diagnosis?
Patients with narcolepsy and cataplexy have a deficiency in which of the following neuropeptides?
A 65-year-old right-handed man presents with an acute onset of aphasia. CT scan of the head was normal but the MRI revealed multifocal small acute and subacute ischemic strokes in multiple vascular territories. A cerebral angiogram was performed as part of the diagnostic workup. Based on the clinical history and imaging provided what is the most likely diagnosis?
Which direction are the patient’s eyes moving at the points marked by the green circles?
A 21-year-old male with a history of cirrhosis, dysarthria, and personality changes was brought to the emergency room after experiencing a 20-minute episode of right-sided weakness. An MRI was performed to evaluate for a possible stroke. An axial cut of a FLAIR sequence is provided below. What is the likely diagnosis of the patient’s chronic illness?
A 56-year-old male presents with unusual behavior of compulsive eating and inappropriate sexual gestures. On exam, the patient has difficulty keeping his hands to himself and is distracted by the objects in his bed. A lesion in which area(s) of the brain would explain this syndrome?