Quiz 07/15/2022 (2)

Which of the following findings on a Head-Impulse-Nystagmus-Test-of-Skew (HINTS) test is consistent with central vertigo?

Patients with narcolepsy and cataplexy have a deficiency in which of the following neuropeptides?

Which of the following findings is depicted in the catheter angiogram shown?

Which of the following is most likely to cause the pathology seen in the image below (white arrow)?

A 40-year-old previously healthy man arrives in the emergency room with a 1-week history of slowly progressive leg weakness. Symptoms initially started with burning-type pain in his bilateral lower extremities. Neurological examination shows 4-/5 strength in bilateral lower extremities and areflexia of the patella and Achilles. MRI is shown below. Which of the following is the most likely diagnosis?

A 6-year-old male is brought to the pediatrician with multiple-decaying teeth since 2-3 years of age with no associated pain. He was born via C-section at term with no complications. Past medical history is significant for developmental delay and intellectual impairment. On physical exam, the patient is short-statured and obese with hypogonadism. His parents state that he has always been an overeater. What is the most likely diagnosis?

A 74-year-old female presents to the ED for trouble with swallowing and balance. On physical examination, she is unable to speak clearly and has no gag reflex. Pain and temperature sensation on the right side of her body and the left side of her face is decreased. She is unable to walk unassisted and has dysmetria on the finger-to-nose exam. MRI of the brain shows an ischemic stroke. The artery that is affected most commonly branches off of which of the following?

A 66-year-old right-handed male presents to the EMG/NCS lab with right upper extremity pain, numbness, and weakness. Based on the data collected, what is the most likely diagnosis?

Which of the following is a common side effect of dimethyl fumarate?

Which of the following arteries is the first branch of the internal carotid after it enters the cranial cavity?

An 82-year-old female presents with her family for a 3-year slow decline in memory. On examination, she has a MOCA of 23/30. She does not feel that she has any issues, but her family feels that she has trouble remembering important dates in her life and will repeat stories to them. Despite this, she has lived alone since her husband died 2 years ago and is able to cook, clean, and bathe on her own. She also balances her own checkbook and does her own grocery shopping. According to the DSM-V, this patient meets the criteria for which disorder?

The EEG pattern shown below is most consistent with which of the following?

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

What is the pathophysiology of the lesion provided below?

Metachromatic leukodystrophy is due to a deficiency of which of the following enzymes?