Quiz 05/30/2022

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

A 90-year-old woman presents to the emergency room with an acute change in mental status. On examination, she is alert but is not answering questions or following commands. Speech is fluent, but not interpretable. Comprehension is severely impaired. Interestingly she was able to repeat full sentences without much difficulty. Which of the following is the most likely territory of ischemic damage?

Which of the following medications has been shown to improve neurological outcomes in patients with subarachnoid hemorrhage?

What is the mechanism of action of dabigatran?

How long ago did the ischemic injury seen on this neuronal tissue micropathology slide occur?

Which of the following diseases does not contribute to the pathology appreciated in this pathology image?

A 45-year-old man comes into the ED complaining of a severe headache. A spinal tap shows xanthochromia. The patient is treated immediately and spends the next two weeks in the neurocritical care unit. On day nine of his stay, his speech becomes slurred and the neurologist notices that the left side of his face is drooping. What is the class of drugs that could have potentially prevented these findings?

A 19-year-old woman was brought to the emergency department after a rollover motor vehicle accident. On arrival, she was intubated and sedated for respiratory failure secondary to pneumothorax. Examination revealed intact brain stem reflexes and decreased spontaneous movement of the left side of her body. Her axial head CT scan is shown below. What is the most likely diagnosis?

What is the pathophysiology of the lesion provided below?

A 32-year-old female who is currently 39 weeks pregnant was brought to the emergency room after experiencing a first-time seizure. Neurological examination is non-focal except for mild somnolence and decreased visual acuity in both eyes. Vitals signs were normal except for a blood pressure of 192/104 mmHg. An MRI was performed and shown below. Which of the following is the most appropriate step in management?

Which of the following medications can potentially reduce the platelet inhibition of clopidogrel?

A 68-year-old woman with a history of diabetes and hypertension presented urgently to the ED with a 2-day history of headaches and confusion. Before any imaging was able to be completed in the emergency room, the patient had a cardiac arrest and died. An autopsy was requested by the family. A gross pathologic image of the patient’s brain is shown below. What is the most likely etiology of the findings seen in this image?

A 68-year-old right-handed male with HTN and atrial fibrillation formerly taking Eliquis, but stopped months ago due to GI bleed, presents for acute onset neurologic symptoms. He is able to understand speech and commands, however, he is unable to speak fluently and can not get the right words out. Despite this, he is able to accurately repeat words you say and correctly name items that are pointed to. What other neurologic symptom is also likely to be present on the exam?

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

Which of the following can be appreciated on the T1 MRI sequence shown below?