Quiz 06/23/2022

A 56-year-old man with a history of a kidney transplant, on tacrolimus, presented to the hospital with a 2-week history of progressive confusion and expressive aphasia. An MRI brain with and without contrast was performed and shown below. A brain biopsy was performed and showed microglial nodules with encysted bradyzoites and tachyzoites. Which of the following is the most appropriate therapy?

You are caring for a patient in the Neuro ICU for loss of consciousness after 3 convulsive episodes within a 2 hour period. She required intubation with rocuronium and sedation with propofol. She was loaded with 2000 mg of Keppra and had received 2 mg of Ativan in the ED. You obtain a spot EEG and left temporal epileptiform discharges are seen, but no additional seizures. Unfortunately, your hospital does not have continuous EEG capabilities. Of the following options, which physical exam change in this paralyzed patient is most likely to indicate potential repeat seizure and prompt stat repeat spot EEG and consideration of antiepileptic bolus?

A 4-month-old infant of Amish parents is evaluated in the emergency department for an acute onset of weakness, poor feeding, and irritability that started 2 days ago. Neurologic examination of the child was impressive for ptosis, decreased tone, generalized weakness, a poor suck reflex, and mydriasis. MRI of the brain was normal. Which of the following is the most likely cause of the patient’s symptoms?

A 74-year-old male with a past medical history of hypertension and hyperlipidemia is brought to the physician by his daughter who states that he has been exhibiting abnormal shaking of his hands and difficulty walking for the past year. On exam, the patient exhibits a shuffling gait, a tremor of his left hand at rest, and difficulty initiating movements. Which of the following is the most appropriate first-line therapy?

A 65-year-old man comes to the clinic with a one-year history of difficulty walking. More recently, he has also noticed a tendency to drop things. On examination, he was found to have weakness in his bilateral lower limbs, predominantly in his quadriceps muscles, along with finger flexion weakness that is worse on the left side. His sensory examination was normal. Which of the following is the most likely diagnosis?

A 46-year-old female presents to the clinic with right-hand numbness, specifically in the 4th and 5th digits. EMG testing reveals fibrillations on the first dorsal interosseous, and flexor pollicis longus. EMG testing of the abductor pollicis brevis and triceps was unremarkable. These findings are most likely caused by radiculopathy of which of the following nerve roots?

Which of the following is correct regarding the H-reflex?

A 32-year-old man with a past medical history significant for major depressive disorder is brought to the emergency department after he was found by his roommate attempting suicide by hanging. His roommate states that he has been noncompliant with his medications and had been going through a depressive episode before his suicide attempt. After 6 weeks of trying several different antidepressants while on the inpatient psychiatric service, his major depression symptoms have not improved. Which of the following is the most appropriate next step in treatment?

A 24-year-old patient had a severe unhelmeted motorcycle accident and despite best efforts by medication providers, he passed away two days later. An autopsy was performed. Identify the structure marked by the white arrow.

Which of the following can be appreciated on the T1 MRI sequence shown below?