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Which of the following structures are not supplied by the posterior cerebral artery (PCA)?
The lesion shown below (blue arrow) is most consistent with which of the following pathologies?
What type of tumor is showcased in the pathologic image below?
Patients with Krabbe disease have a pathologic accumulation of which of the following?
A 20-year-old man with a history of poorly controlled schizophrenia was admitted to the hospital by his parents for severe bizarre hallucinations. He informed the nursing staff that there were toxins in his body that needed to be flushed out and continuously asked for water. There was a concern for psychogenic polydipsia. Over the next two days, the patient was started on haloperidol, a fluid-restricted diet, and normal saline infusions. On the second day of hospitalization, the patient developed progressive confusion and gait instability. A brain MRI was performed and is shown below. Which of the following is the most likely etiology of his symptoms?
The electrographic pattern appreciated in the 6th second of this recording likely represents which of the following?
Which of the following structures is not primarily involved in the processing and relay of auditory information in the central nervous system?
Which of the following muscles is innervated by the vagus nerve (CN X)?
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 63-year-old woman with right leg weakness and pain has an MRI performed to evaluate for a possible cause. Her imaging is provided below. Based on the location of the lesion, which of the following muscles is most likely weak on examination?
A 7-year-old boy with a history of right facial port-wine stain and mild developmental delay presents to the emergency room for seizures. An MRI brain is performed and the T1 with contrast sequence is shown below. What is the most likely diagnosis?
Identify the finding shown in the EEG below:
Which of the following is the mechanism of action of tolcapone?
A previously healthy 14-year-old female presents to the emergency room after experiencing a trip and fall where she hit her head. She returns to baseline, but out of caution a CT head and subsequent MRI brain are performed in the ED. What is a potential complication caused by this lesion seen in this MRI?
A 10-year-old girl is brought to the clinic with a 1-month history of progressive clumsiness. Neurological examination shows significant bilateral ataxia. Imaging was performed and showed a midline lesion in the 4th ventricle. A biopsy was performed and shown below. Based on the most likely diagnosis, what is the most appropriate treatment plan?
Which direction are the patient’s eyes moving at the points marked by the green circles?
A 65-year-old female presents with an abrupt onset of akinetic mutism, lack of motivation, apathy, bilateral leg weakness, and incontinence. A lesion to which of the following vascular territories could explain her symptoms?
Which of the following drug-mechanism pairs is incorrect?
In the diagram below, what neurologic information is carried by the tract labeled with the green arrow?
A 21-year-old man is brought into the clinic by his roommate due to bizarre behavior. For the last 10 months, the patient has been intermittently skipping classes and trying to soundproof his dorm room because he believes the government is watching him. His roommate says that on two separate occasions he caught the patient talking to himself under the bed covers. The neurological exam is normal but the patient refuses to make eye contact and his speech is pressured and tangential. Which of the following is the most likely diagnosis?
Socially inappropriate behavior, disinhibition, echopraxia, and utilization behavior are typically seen in which of the following?
A 77-year-old male presents with a 1-year history of worsening bradykinesia, recurrent falls, and a shuffling gait. Past medical history is significant for REM-sleep behavior disorder and diet-controlled hypertension. Neurologic examination reveals a tremor at rest that improves with movement, along with bilateral upper-limb spasticity. Impaired dopaminergic signaling is most likely to be found in which of the following locations?
A 16-year-old male is seen in the clinic for burning and tingling sensations in his upper hands and feet. Additionally, he is a soccer player and states that he does not sweat during physical activity. On physical exam, he has diffuse red-blue papules in his gluteal region, around his navel and nipples, and on his buccal mucosa. There is no family history of skin lesions. This patient likely has a defect in which protein?
Which of the following transverses through the structure (blue arrow) shown below?
Which of the following medications is considered a first-line agent for the management of juvenile myoclonic epilepsy?
Which of the following is the most appropriate initial screening test for suspected restless leg syndrome?
An 18-year-old male is brought to the clinic by his mother due to a 3-month history of personality changes. She states that during this time he has become increasingly rude and aggressive toward her. She also states that he was fired from his summer job last week after trying to steal from his boss. His father’s medical history is unknown. On examination, the patient has an ataxic gait and bradykinesia. His mental status exam shows impaired memory and language regression. Genetic testing of this patient would most likely show what?
A 31-year-old female who recently delivered a healthy boy 3 days ago comes into the emergency room with a headache and vomiting. Other than requiring an epidural for pain management, the delivery of her child was uncomplicated. Her neurological exam is normal. A brain MRI was completed and is shown below (Left: T1, Right: T2 with contrast). Which of the following is the most likely diagnosis?