Quiz 06/10/2022

A 24-year-old with a history of a motor vehicle accident and a broken leg is referred to the EMG lab with a left leg foot drop. Based on the EMG table outlined below, where is the most likely site of neuronal injury?

A 40-year-old man comes into the clinic with headaches. He has stabbing pain around the left temple that occurs numerous times during the day. The pain lasts 10-30 seconds at a time. He says he has excessive tearing from the left eye during these episodes. What is the most appropriate therapy?

Which of the following cranial nerve(s) transverses through the structure (blue arrow) shown below?

A 24-year-old female with a past medical history of major depressive disorder with her last major depressive episode 6 months ago is brought to the emergency room by her boyfriend because of unusual behavior. For the past 4 weeks, the patient has had bizarre delusions, auditory hallucinations, and disorganized speech. She believes that her boyfriend is having a sexual relationship with a character from one of the early morning soap operas on television. Outside of her psychiatric symptoms, her neurologic examination is normal. Which of the following is the most likely diagnosis?

A patient presents with double vision that improves when tilting their head to the right. A lesion is most likely to be present in which of the following cranial nerves?

Which of the following neurological diseases has a higher incidence in patients with systemic lupus erythematosus (SLE)?

Identify the lesion shown below.

A 45-year-old patient presents with complaints of new-onset double vision. On the general neurologic exam, you note the patient tilts their head to the left. The remainder of the physical exam is unremarkable. Which of the following is the most common underlying pathologic cause of this issue?

Which of the following is not a recommended screening test for cognitive dysfunction?

A 62-year-old woman with a history of rheumatoid arthritis presents with insidious onset of painless proximal muscle weakness and atrophy. A serum CK is obtained and is normal. TSH is also normal. Her medication list includes lisinopril, aspirin, and prednisone. EMG shows short-duration motor unit potentials in the deltoids and quadriceps bilaterally. A muscle biopsy is performed. Which of the following will most likely be appreciated?

An 8-year-old child with a past medical history of tuberous sclerosis presents urgently to the emergency room with lethargy. Funduscopic examination shows blurring of the optic discs. An MRI is performed and shown below. Which of the following is the most likely cause of the patient’s symptoms?

A 9-year-old boy presents to the clinic with complaints of gait and speech trouble. His mother reports he started walking “like he was drunk” a few months ago. He had genetic testing that confirmed a trinucleotide GAA repeat expansion in one of his genes. Which of the following findings on physical exam is least likely to be present?

Which of the following can increase the risk of seizures while taking bupropion?

The ophthalmic branch of the trigeminal nerve exits the skull from which cranial foramina?

The pathologic findings on the image shown below can be secondary to bilateral mononeuropathies involving which of the following nerves?

Which of the following CSF biomarker findings would be expected in someone with Alzheimer’s disease when compared to healthy controls?

Which of the following blood vessels that supply the thalamus is the only one to branch off of the posterior communicating artery (PCOM) instead of the posterior cerebral artery (PCA)?

A mother and father bring in their 8-month-old son to your clinic for clinical events described as sudden flexion of the limbs and trunk, seen most often upon awakening or falling asleep. His interictal EEG is demonstrated below. Which of the following is the most likely cause of the patient’s symptoms and EEG findings?

The paraspinal muscles are innervated by which of the following?

A 4-year-old boy with a history of mild cerebral palsy comes to the clinic for his annual follow-up. Since last seen in the clinic the patient and family have noted that he has been having increased difficulties with his left leg. Most days he is able to ambulate with a hand-held mobility device. However, more recently family has noticed that he not walking as much as he used to. On examination, there is increased spasticity and hyperreflexia at the ankle. The right leg had normal strength and tone. What is the most appropriate therapy for the patient’s symptoms?

A 43-year-old female presents with rapidly declining cognitive function over the past few weeks. She is no longer able to hold a sustained conversation, she is no longer able to drive, and has worsening insomnia. CSF analysis shows increased 14-3-3 protein levels. What is the pathogenesis of this patient’s disease?

The anatomical structure identified in the image below (blue arrow) derives from which of the following embryonic tissues?

A 33-year-old woman with a past medical history of depression is brought to the clinic by her husband because of atypical behavior. For the past three weeks, her thoughts have become progressively more disorganized. She is also having auditory hallucinations. Similar behavior has been seen intermittently over the past five years. Despite having a history of depression, her husband says the depression has been well controlled for the last three months. Which of the following is the most likely diagnosis?

A 57-year-old male presents to the Emergency Room with a 3-month history of progressive altered mental status. On examination, the patient had ataxia and hyperekplexia. An MRI is performed and shown below. What is the most likely etiology of the patient’s deficits?

A 50-year-old male has noted winging of his right scapular and pain for the past four months following a hyperextension injury. Based on the EMG data outlined below where is this patient’s pathological lesion?

A 14-year-old male is referred to the neurology clinic by his PCP with the complaint of bilateral hearing loss. Neurological examination shows a sensorineural hearing loss. Multiple hyperpigmented lesions on the chest and back were also appreciated. An MRI of the brain was ordered that showed bilateral posterior fossa lesions. Genetic testing would reveal a mutation on which chromosome?