Quiz 07/27/2022 (2)

A 45-year-old man suffered a cardiac arrest after a heroin overdose. He received 30 minutes of CPR with an eventual return of spontaneous circulation. After being cooled per post-arrest protocol the patient was rewarmed. 48 hours after being warmed the patient remained in a persistent comatose state with minimal brainstem reflexes. To evaluate the degree of hypoxic-ischemic injury an EEG was ordered. Which of the following EEG patterns carries the worst prognosis after a hypoxic-ischemic injury?

What is the mechanism of action of pregabalin?

On microscopic evaluation, which of the following is a classic finding present in the Parkinson-plus syndromes of both progressive supranuclear palsy and corticobasal degeneration, but not Parkinson’s disease?

A 20-year-old male presents with severe burns on his hands after accidentally touching a stove. Neurology was consulted because the family noted that the patient did not initially pull away from the hot stove as one would expect. Physical exam shows decreased sensation of pain and temperature along the back and arms, with intact strength. T2 sagittal MRI of the cervical spine is shown below. Which of the following is commonly associated with the pathology shown?

Which of the following occurs at point “4” on this diagram of an action potential?