Vertigo accompanied by sensory and/or motor loss, diplopia, and dysarthria is indicative of a lesion of which of the following?
A. Cerebellum
B. Vestibulothalamocortical pathway
C. Brainstem
D. Bilateral Benign Paroxysmal Positional Vertigo (BPPV)
E. All of the above
ANS: C
Rationale: A brainstem lesion may cause vertigo accompanied by sensory and/or motor loss, diplopia, and dysarthria because the vestibular nuclei, medial longitudinal faciculus, oculomotor, trochlear, and abducens nuclei, and cranial nerve nuclei that control the speech muscles are located in the brainstem.
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