Quiz 07/21/2022 (4)

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 patient with a recent history of ischemic stroke with almost no residual focal deficits except for a mild right-sided facial droop presents to the emergency room with altered mental status. Vital signs are only impressive for a low-grade fever. CT head and CTA show no acute changes when compared to imaging completed for his initial stroke. Blood work shows thrombocytopenia, anemia, and renal failure. A severe drug reaction is suspected. Which of the following medications is most likely the cause of this clinical presentation?

Which of the following medications is associated with the occurrence of reversible cerebral vasoconstriction syndrome (RCVS)?

The pathophysiology of the lesion shown in the gross pathologic image below is most likely which of the following?

Which of the following antiplatelet medications rely heavily on the cytochrome P450 system for its therapeutic effect?

A patient with newly-diagnosed early state amyotrophic lateralized sclerosis (ALS) presents to your multidisciplinary clinic for the first time. After discussing the effectiveness and side effects of riluzole and endavarone, the patient informs you that he doesn’t want to start either medication. Which of the following basic principles of medical ethics could be best applied to this scenario?

A 40-year-old male with a history of headaches, seizures, and recurrent strokes has a brain biopsy performed to aid in diagnosis. Electron microscopy of his brain tissue shows granular osmiophilic material in the basal lamina of small cutaneous arterioles. What is the cause of this patient’s disease?

What is the mechanism of action of dabigatran?

A 40-year-old woman of Chinese descent has a cerebral angiogram performed after experiencing recurrent ischemic strokes over the past 5 years. This image is most consistent with which neurological disease?

A 26-year-old female with a past medical history of pulmonary embolism presents with seizures and left-sided weakness. She had been complaining about a headache for the past week. An MR venogram is shown below. Which of the following is the next best step in management?