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Which synapsed of the peripheral nervous system is acetylcholine the primary neurotransmitter?
Which of the following anatomic structures is responsible for the perception of superficial light touch?
A previously healthy 15-year-old male presents to the emergency room after experiencing a concussion while playing soccer. He is now back to baseline but to be thorough the ED physician orders an MRI which is shown below. What is the lesion shown in this MRI?
A 4-day-old full-term baby is brought to the hospital for two episodes of generalized stiffening and apnea for less than 1 minute followed by a return to baseline. The physical exam is unremarkable and CTH is negative. The mother reports having similar episodes shortly after birth. What is the most likely cause of the episodes?
A previously healthy 25-year-old female presents to the emergency room with lower extremity weakness, numbness, and urinary retention. Lower extremity hyperreflexia and a sensory level at T10 were appreciated on examination. A contrasted cervical/thoracic and lumbar MRI was performed and shown below. Lumbar puncture was performed after imaging was completed and showed an elevated protein concentration, normal glucose, 3 WBCs, and oligoclonal bands. Rheumatologic studies are negative. Based on the most likely diagnosis, what is the most appropriate next step in medical management?
A 57-year-old male with recently diagnosed small cell lung cancer (SCLC) is presenting to the electromyography lab with a one-month history of muscle cramps and muscle pain. Percussive myotonia is appreciated on examination. Electromyography showed myokymic discharges. Autoantibodies against which of the following channels are likely present in this case?
Identify the pathological abnormality shown in the image below.
A focal seizure must involve how much cortex in order to be appreciated with scalp EEG recording?
Which of the following primary CNS tumors carries the highest risk of disseminated metastatic disease through the spine via CSF seeding?