Quiz 06/03/2022

A 45-year-old male presents with left-sided neck and shoulder pain. On examination, there is right arm abduction weakness and decreased bicep and brachioradialis reflexes. An EMG was ordered and showed fibrillations of the deltoids, supraspinatus, and biceps muscles. EMG testing of the triceps, first dorsal interosseous, abductor policies brevis, and rhomboid muscles were normal. These findings are most likely due to radiculopathy of which of the following nerve roots?

A 24-year-old male with no known past medical history experienced a first-time generalized tonic-clonic seizure while at work. She is now in the emergency room and back to her neurological baseline. Bloodwork was unremarkable. A routine EEG and MRI of the brain were normal. Which is the most appropriate next step in management?

A 65-year-old male comes into the office with his wife for follow-up after a recent hospitalization for HSV encephalitis.  The wife says before his hospitalization, he used to be a quiet, shy man but recently has been making sexually inappropriate remarks to women at the park. The patient also has an increase in appetite and an urge to touch everything at the grocery store. Based on his cognitive deficits, which of the following areas of the brain is likely affected?

Which of the following is an appropriate test to assess for dorsolateral frontal lobe dysfunction?

A 75-year-old female with a past medical history of hypertension on lisinopril presents to the emergency department with weakness on the left side of the body and a drooping right eye. On exam, her right eye is inferiorly and laterally deviated. This pupil is also non-reactive. Her strength is 3/5 on the left side. Where is this patient’s lesion?

Which of the following anatomic structures is responsible for the perception of superficial light touch?

A 28-year-old woman of Chinese descent was recently diagnosed with focal/symptomatic epilepsy. Which of the following medications should best be avoided in the management of her epilepsy?

A patient with a history of low back pain had an MRI of their lumbar spine completed as part of their workup. The T2 FLAIR image of the lumbar spine MRI is shown below. What is the most likely diagnosis?

A 19-year-old woman presents for evaluation of paroxysmal episodes of vertigo, spasticity, diplopia, and ataxia. She reports that her father and one of her two sisters have similar ailments. At the time of the appointment, there was no diplopia or ataxia appreciated. Myokymia was appreciated on electromyography. Which of the following is the most likely diagnosis?

What is the pathophysiology that leads to the pathology shown in the image below?

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 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?

Based on the MRI imaging shown below, which of the following structural abnormalities is likely also present?