This week’s edition of the Step 1 Question of the Week is about neurology. See if you can answer the question and then watch the video to learn the correct answer as well as the rationales for each option.
A 25-year-old man comes to the emergency department because he has been dizzy and nauseated and unstable while walking since undergoing a chiropractic treatment for neck pain several hours ago. Physical examination reveals absent pinprick and temperature sensation on his right face, left trunk, and limbs; ataxia of his right extremities; left-beating nystagmus; and hoarseness.
Which of the following additional physical findings is most likely in this patient?
A. Deviation of the tongue to the right
B. Diminished vibratory sensation in the right extremities
C. Hyperreflexia of the left extremities
D. Inability to recognize the left side of his body
E. Right-sided ptosis and miosis
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