Quiz 07/31/2022 (1)

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

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 32-year-old female with an acute ischemic stroke was sent for an urgent angiography. Below is the image captured from this study. What is the likely etiology of the patient’s acute ischemic stroke?

Which of the following is seen on muscle biopsy in patients with steroid myopathy?

An 82-year-old female presents with her family for a 3-year slow decline in memory. On examination, she has a MOCA of 23/30. She does not feel that she has any issues, but her family feels that she has trouble remembering important dates in her life and will repeat stories to them. Despite this, she has lived alone since her husband died 2 years ago and is able to cook, clean, and bathe on her own. She also balances her own checkbook and does her own grocery shopping. According to the DSM-V, this patient meets the criteria for which disorder?

An abnormal breathing pattern described as an initial prolonged inspiratory phase, inspiratory pause, and then incomplete expiration can localize to damage of which of the following regions along the neuraxis?

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?

Which of the following medications is the most effective in the management of PTSD-associated nightmares?

A 62-year-old 50 kg female with a history of myasthenia gravis presents to the hospital with shortness of breath and generalized weakness felt to be secondary to a myasthenic crisis. Her medication history in the chart states she is currently taking pyridostigmine 60 mg QID, prednisone 20 mg daily, and just started cyclophosphamide 4 weeks ago. She was safely intubated in the ED with a NIF of -18 cm H2O and a VC of 600 ml. Select the appropriate next steps regarding pharmacotherapy and management for a myasthenic crisis.

I. Discontinue pyridostigmine
II. Increase the dose of prednisone
III. Increase the dose of azathioprine
IV. Consult general surgery for thymectomy
V. Consider PLEX or IVIg therapy
VI. Start rituximab

A young infant is found after birth to have an abnormality of the left arm. The arm is held down by the infant’s side, adducted and medially rotated, and the forearm is extended and pronated. What is the anatomic location of the injury causing the deficits?

A 4-year-old girl with multiple seizure types and intellectual disability has an EEG performed that shows 1.5 Hz to 2.5 Hz spike and wave discharges. Which of the following is the most likely diagnosis?

What is a common comorbid issue seen in newborns with the vascular abnormality appreciated in the imaging provided?

A 16-year-old girl is seen in the clinic for episodes concerning for seizures. Episodes are characterized by staring off, unresponsiveness, and licking her lips for 30 to 60 seconds. Two weeks ago one of these episodes developed into a generalized tonic-clonic seizure. That day she went to the emergency room and had an MRI performed. The associated images are shown below. Based on the clinical history and imaging what is the most likely diagnosis?

A 49-year-old male presents with numbness and tingling of the right hand. A median nerve conduction study is completed and shown below. Which of the following is the correct interpretation of its results?

A 36-year-old female with a history of renal cell carcinoma with headaches and slight right arm/leg ataxia had an MRI of the brain that showed a contrast-enhancing lesion in the right cerebellum. Surgical resection was completed and histology of the lesion is shown below. This patient most likely has which of the following diagnoses?