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A 69-year-old man with HTN, CKD, HLD, tension headaches, and gout presents for 6 months of slowly progressive weakness. He has trouble rising from a chair without assistance and lifting objects above his head. On sensory exam, you note a bilateral symmetric loss of proprioception, vibration, and light touch in the feet and distal lower legs. He brings with him an EMG/NCS report from last week from an outside provider. It shows a length-dependent axonal neuropathy, as well as early recruitment and low amplitude action potentials on EMG of the proximal muscles. Serum CK is obtained and 3200. Which of the following is the most likely cause of his problem?
Identify the tract marked by the red arrow in the spinal cord diagram below.
Which of the following medications has a relatively low risk of sexual dysfunction?
A thin 28-year-old male presents to the clinic with complaints of foot drop. On exam, he has a right foot drop as well as numbness on the lateral aspect of the right lower leg. You suspect compression of a nerve at the fibular head. Malfunction of which of the following nerves causes the foot drop itself?
A 5-year-old female was brought to the neurology clinic for a second opinion for paroxysmal spells of dizziness. The family states that several times a month the patient will develop severe dizziness, nausea, and vomiting. Symptoms usually only last less than 5 minutes. An MRI and 24-hour ambulatory EEG have been performed in the last 3 months. Both were unremarkable. What is the most likely diagnosis?
A 33-year-old female presents to the clinic for evaluation of a left lower extremity foot drop. On physical examination, there is weakness in dorsiflexion. Ankle eversion, inversion, and plantar flexion strength are normal. Hip abduction strength is normal as well. Which of the following is the most likely etiology for the patient’s symptoms?
Which answer correctly identifies all of the cranial nerve(s) that transverse through the structure (blue arrow) shown below?
Which of the following muscles is solely innervated by the C5 nerve root?
Which of the following cranial nerves is most likely to be affected by increased intracranial pressure?
Which of the following is a side effect of glatiramer acetate?
Which of the following is most likely to be damaged by carbon monoxide toxicity?
A 24-year-old man comes to the emergency room with severe left-hand pain after a fall at home. The patient refuses to allow the nurse or doctor to do a physical exam. A hand X-ray is unremarkable. She insists that all she needs is a note for two weeks of paid leave from her job. Which of the following is the most likely diagnosis?
Which of the following is not a known side effect of chronic phenytoin use?
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?
Which of the following is seen on muscle biopsy in patients with steroid myopathy?