Multiple Choice
A 32-year-old woman describes five episodes of intractable vomiting over the last year. The episodes last several hours and are associated with a sensation that the room is spinning or tilting. At these times, it is difficult for her to walk because she loses her balance. She cannot relate the timing of the episodes to any particular inciting event. Physical examination reveals stability in the Romberg position and during tandem walk. Proprioception is intact. Dysfunction of which of the following structures best explains this patient's symptoms?
A) Posterior columns of the spinal cord
B) Vagal nerve
C) Optic tract
D) Inner ear
E) Cerebellum
F) Frontal cortex
Correct Answer:

Verified
Correct Answer:
Verified
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