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Which of the following arteries is the first branch of the internal carotid after it enters the cranial cavity?
Which of the following nerves is a terminal branch of the posterior cord?
A 65-year-old female comes to the clinic complaining of weakness in his extremities. Symptoms are more prominent in the legs than in the arms. Oddly, when he tries to exert himself, he notes an improvement in his strength. Neurodiagnostic testing reveals low amplitude compound muscle action potentials (CMAPs) with an increase in amplitude on high frequency (50 Hz) rapid repetitive stimulation. Which of the following malignancies is most closely associated with this patient’s neurologic syndrome?
A 49-year-old female has had a 6-month history of difficulty swallowing and weight loss. On examination, she has generalized muscle loss. On strength examination, she has 3/5 proximally and 4/5 distally in the bilateral upper extremities. There are normal tongue movements and a normal jaw jerk reflex. Deep tendon reflexes in the bilateral upper extremities are normal and sensation is intact. An EMG is performed and outlined below. What is the most likely diagnosis?
EMG abnormalities in which of the following muscles can not localize to the brachial plexus?
A 65-year-old man with a history of severe depression is bought to the clinic by his wife after losing 15 pounds in the last month. The patient states that he believes that his stomach and intestines have been removed and that he died several weeks ago. Which of the following is the most likely diagnosis?
This muscle biopsy is most consistent with which myopathic disease?
A 37-year-old man with poorly controlled diabetes mellitus presents to the emergency department with a three-day history of progressive headache, fever, and double vision. Examination shows bilateral proptosis, peri-ocular erythema, and ophthalmoplegia. CT of the head was ordered and showed bony destruction of the sinuses. Based on the most likely diagnosis, which of the following is the most appropriate treatment?
Which of the following dermatomes are correctly matched with their associated anatomical location?
Identify the finding shown in the EEG below:
A 16-year-old male with no significant past medical history presents to the emergency room with vision complaints and coordination issues. Four days ago, he began experiencing double vision and since then has had progressive difficulty picking up objects and buttoning his shirts. On physical exam, the patient has a decreased range of motion of the extraocular muscles bilaterally, as well as areflexia and ataxia when walking. What is the most likely diagnosis?
This brain biopsy is consistent with which of the following pathologies?
The PET scan shown is most consistent with which of the following diseases?
Which way are the patient’s eyes moving at the point of the asterisk marked below?
A two-week-old, full-term female with an uncomplicated delivery is brought to the clinic with abnormal jerky movements. Her father states that episodes occur right after the patient is put down for a nap, last for roughly 3 minutes, and resolve with arousal. During the episodes, the patient has rapid, repetitive myoclonic movements of her upper limbs. The physical exam is unremarkable. The patient was admitted to the Epilepsy Monitoring Unit where a typical event was captured and had no EEG correlate. Which of the following is the most likely diagnosis?