Quiz 07/20/2022

Which of the following is the mechanism of action for natalizumab?

A patient presents with sudden-onset gait instability and dysphagia. On exam, he has dysmetria of the right hand, anisocoria, loss of pain and temperature of the right face, and loss of pain and temperature of the left arm and leg. An MRI of the brain is performed and shows a stroke. What other symptom is often also a part of the syndrome this patient is experiencing?

Occlusion of the vessel labeled 1 in the angiogram below would lead to which of the following symptoms?

Which of the following is most consistent with this EEG tracing?

Which of the following is not a side effect of topiramate?

A 41-year-old female smoker with HTN is admitted to the Neuro ICU after having acute onset worst headache of life, found to have hyperdensity tracking sulcal lines on CTH. Her physical exam is otherwise normal on admission. On the fourth day of admission, she develops acute onset right arm and leg weakness and aphasia. She was last seen well 30 minutes prior. Which of the following is true?

Based on the histopathologic findings shown below, how long ago did this patient experience an ischemic stroke?

Which of the following is not a known side effect of chronic phenytoin use?

A 15-day-old female is evaluated in the NICU after being born to a G2P2 mother. On exam, the infant is jaundiced. Abdominal ultrasound shows severe hepatosplenomegaly. CT scan of the head shows hydrocephalus and periventricular calcifications, and a fundoscopic exam shows bilateral chorioretinitis. Serological testing is most likely to show infection with which organism?

A lesion to which of the following neuroanatomical structures causes dysphagia, decreased gag reflex, and hoarseness?