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Which of the following medications is an acetylcholinesterase inhibitor that is FDA approved in the U.S. for the treatment of severe Alzheimer’s disease?
The pathologic findings appreciated on this slide are secondary to which of the following pathologies?
A 38-year-old female presents to the clinic with episodes of facial pain. She reports episodes of sudden severe and debilitating sharp pain on her right face lasting a few seconds to a couple of minutes. These seem to be triggered by eating or lightly touching the face. Outside of these episodes, she is pain-free. She does not endorse any associated rhinorrhea, lacrimation, or facial flushing. What is the likely cause of her symptoms?
The cell marked by the blue arrow is derived from which germ layer?
A 74-year-old female presents to the ED for trouble with swallowing and balance. On physical examination, she is unable to speak clearly and has no gag reflex. Pain and temperature sensation on the right side of her body and the left side of her face is decreased. She is unable to walk unassisted and has dysmetria on the finger-to-nose exam. MRI of the brain shows an ischemic stroke. The artery that is affected most commonly branches off of which of the following?
You are evaluating a 1-year-old who has had delayed motor development and diffuse weakness since birth and presents now to the hospital for a first-time seizure. The physical exam is notable for 3/5 deltoid abduction, 4-/5 hip abduction, 4-/5 hip flexion, and 4-/5 hip extension. He is unable to walk but is meeting cognitive milestones. An MRI brain is done and shows diffuse scattered T2 FLAIR white matter hyperintensities.
If genetic testing is performed, a mutation in which of the following genes would be most expected?
What is the likely etiology of the findings appreciated on the imaging below?
A 34-year-old man with medically-refractory epilepsy has an MRI brain completed. The lesion shown (T2 sequence) does not enhance with contrast. If a surgical resection was performed, which of the following would be the most likely seen on pathologic analysis?
A 35-year-old female with a history of heroin abuse was found unresponsive and received 35 minutes of CPR before a return of spontaneous circulation (ROSC). She was intubated in the field and was brought urgently to the hospital. While in the ICU, the nursing staff noticed abnormal movements concerning for possible seizure. An EEG was performed and shown below. What is this finding most consistent with?
A 65-year-old female patient presents with right homonymous hemianopsia for the past week. She also says she has difficulty reading but no problems with writing. Which of the following area of the brain is likely affected?
Which of the following identifies the straight sinus?
Which of the following is not a risk factor for suicide?
A 58-year-old male presents with a few months of progressive symptoms. He reports limb rigidity, left greater than right, as well as neck stiffness. On exam, you note bradykinesia and cervical dystonia. He does not have a tremor. Speech is hesitant, and there is evidence of speech apraxia. You also note that the patient has trouble controlling the location of his left hand in space, and he grabs for your stethoscope without realizing it.
What is the most likely diagnosis?
A 24-year-old woman presents to the ER with a one-day history of diplopia. On examination, the patient has right internuclear ophthalmoplegia. On further discussion, she describes an episode of left lower extremity numbness about 2 years ago that resolved after a few weeks on its own. An MRI of her brain and spinal cord was ordered. Findings included a T2 hyperintense contrast-enhancing lesion in the pons, as well as non-contrast enhancing T2 hyperintense lesions in periventricular and juxtacortical regions as well as in the thoracic spinal cord. What is the next step to confirm her diagnosis?
Which of the following is true regarding IVIG and PLEX therapy?