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Which of the following is an appropriate test to assess for dorsolateral frontal lobe dysfunction?
A 38-year-old man presents to the emergency room with a 2-month history of headaches, increased thirst, and decreased libido. CT scan of the head shows a suprasellar, partially calcified mass. An MRI was ordered thereafter and is shown below. What is the most likely diagnosis?
A patient with a history of a chronic ischemic stroke has an MRI performed for new-onset seizures. Based on the imaging provided, what is the likely etiology of the patient’s past stroke?
A 34-year-old female with a history of chronic daily headaches had an MRI performed as part of her workup. Her imaging is shown below. What is the likely etiology of the lesion shown?
Which of the following identifies the sigmoid sinus?
Which of the following can not cross the blood-brain barrier via channel-mediated transport?
A 30-year-old female presents to the ER with a three-day history of progressive weakness, double vision, and slurred speech. The first symptoms appreciated were double vision and slurred speech, followed by weakness in the upper extremities. Symptoms then descended to involve the lower extremities. On examination, the patient had decreased tone, areflexia, mydriasis, and restricted extraocular movements bilaterally. A neuromuscular junction disorder is suspected. Based on the most likely diagnosis, which of the following would be seen in this patient’s neurodiagnostic testing?
A 49-year-old male with a chronic history of myalgias was referred to the EMG lab with progressive muscle weakness. Based on the EMG table shown below what is the most likely diagnosis?
A 65-year-old mechanical engineer presents with increasing word-finding difficulties. He is particularly concerned that he is forgetting the names of people, places, and objects. On examination, he has difficulty naming objects when shown (i.e. keys, watch, etc.). Otherwise, his speech is fluent. A SPECT scan shows hypometabolism in the left anterior temporal lobe. Which of the following is the most likely diagnosis?
A 67 y.o. female with HTN and atrial fibrillation on coumadin was in the Neuro ICU in a comatose state after a large intracranial hemorrhage. After a couple of days of monitoring, she had a new finding on her physical exam that prompted stat imaging, which showed signs of uncal herniation. Surgery was not performed due to goals of care preferences, and she, unfortunately, passed away from her ailment. An autopsy was requested. The image below shows compression on a cranial nerve from the herniation. Through which anatomic structure does this nerve pass to exit the skull?
Which of the following is a side effect of glatiramer acetate?
Which of the following is classically seen on electromyography in a patient with a chronic neuronal injury?
A 25-year-old female presents with anisocoria; her right eye is significantly more dilated when compared to the left eye in ambient light. The right pupil is also irregular in shape, does not respond to light, and is sluggish to constrict to near accommodation. When dilute pilocarpine (0.125%) is administered to the right pupil it constricts but the left eye doesn’t react at all.
Which of the following is the most likely cause of the patients’ symptoms?
A 67-year-old male with a gait disorder is having a polysomnogram due to aggressive leg movements during sleep. During the study, an abnormality is noted during sleep. The EMG and chin leads show excessive muscle artifact during sleep, while at the same time the EEG shows quick deflections in the lateral leads, indicating rapid alternating eye movements. He is given a diagnosis and started on medication. Which of the following is the most appropriate treatment for this sleep issue?
A 1p/19q co-deletion is associated with which of the following tumors?