Quiz 07/18/2022

Which of the following medications is the most appropriate pharmacologic agent for paroxysmal kinesigenic dyskinesia?

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?

Which of the following medications is considered a first-line agent for the management of juvenile myoclonic epilepsy?

A 40-year-old male presents with a one-day history of numbness of his right arm. This has never happened before, but he does report an episode of left leg weakness that self-resolved two years ago. The neurological examination confirms a sensory disturbance of his right arm. Sagittal MRI of the cervical spine is shown below (Left: T1, Middle: T1 with contrast, Right: T2). Which of the following is the most likely diagnosis?

The pathology seen in the image below is most likely related to maternal use of which of the following medications?

Which of the following is the mechanism of action of tolcapone?

A 35-year-old male with balance issues is referred for an EMG/NCS. Distal sensory loss of the feet, high-arched feet, and diffuse hyporeflexia are appreciated on the exam. His nerve conduction studies are shown below. Based on the available information what is the most likely diagnosis?

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 60-year-old female with a past medical history of chronic alcohol use was admitted to the hospital 4 days ago for community-acquired pneumonia. Over the last 48 hours, the patient developed severe encephalopathy and generalized weakness. An axial T2 FLAIR MRI is shown. Which of the following is the most likely diagnosis?

A 59-year-old man with HTN, T2D, and peripheral vascular disease presents with sudden complete loss of vision in the left eye, which resolved after about 20 minutes. He denies any other symptoms. Which of the following vessels was most likely obstructed?

A 7-month-old girl with a past medical history of hypotonia, weight loss, and failure to thrive is brought to the clinic by her parents. An MRI was performed and T2 sequence images from this study are shown below. What is the most likely diagnosis?

A 68-year-old male presents with complaints of insomnia for 2 years. On further questioning, he also endorses a 2 years period of feelings of guilt about his sleeping, considerably low appetite (current BMI = 17), and low energy. He used to enjoy checkers but has lost interest in most activities these days. He denies suicidal ideation. He has previously declined medications to help with this, but he says he is ready to try something. Which of the following medications is most appropriate?

The F wave response is an:

Bilateral exotropia is typically seen with which of the following lesions?

A 69-year-old male presents to the clinic with his wife who states that for the past 10 months the patient has become increasingly slow and more clumsy with daily activities. He has also been complaining of dizziness, especially in the morning when he first gets out of bed and has fallen once in the past month. On physical exam, it is observed that the patient has a 21 mmHg drop in systolic blood pressure when going from a sitting to a standing position. A brain MRI is ordered and shows a cruciform hypointensity in the pons. What is the most likely diagnosis?

Based on the findings on the muscle biopsy (trichrome stain) shown below, which of the following is most likely seen on examination of this patient?

The abnormalities appreciated on the MRI below are due to a defect in which of the following processes?

An otherwise healthy 17-year-old female presents to the emergency department with right arm weakness. The symptoms started insidiously over the weekend and haven’t improved over the last 3 days. Examination shows 4/5 strength of the right upper extremity. A brain MRI is performed and shows a T2 hyperintense lesion in the subcortical white matter with contrast enhancement. No other lesions are seen. Upon further questioning, she states that she has never experienced any similar episodes of transient neurologic symptoms before. Which of the following is the correct diagnosis?

Which of the following medications requires blood pressure and pulse monitoring for at least 6 hours after the first dose to assess for first-dose-related bradycardia?

Which of the following findings is depicted in the catheter angiogram shown?

What is the most likely clinical scenario related to the EEG provided below?

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

A 65-year-old male with a history of alcoholic cirrhosis presents to the emergency department with dark black coffee-ground emesis. He is found to have a systolic blood pressure of 76/40 and is tachycardic to 120 BPM. Which nerve is most responsible for carrying the afferent fibers from carotid sinus baroreceptors that cause the reflex increase in heart rate seen in this patient?

A 48-year-old patient with a past medical history of chronic migraines is brought in by her family with sudden-onset memory complaints. She is unable to recall where she lives or even her own name. A brain MRI (Left: DWI. Right: ADC.) is shown below. Which of the following is the most likely diagnosis?

Which of the following genetic abnormalities is most common in the pathology shown in the image below?

Lesion to which area of the brain causes impairment in naming, fluency, and repetition with intact comprehension?

The medulla develops from which of the five primary vesicles of the brain?

Which of the following nerve conduction study abnormalities is least likely to be seen during the initial phase of acute inflammatory demyelinating polyneuropathy (AIDP)?

A 34-year-old female presents to the clinic with the chief complaint of headaches. She endorses a unilateral, throbbing headache that occurs up to 8 times a month. Episodes can last between 1-3 hours. She admits to nausea and photophobia during her headaches. What is the most likely diagnosis?