Lateropulsion may occur with a lesion to which of the following?
A. Parietoinsular cortex
B. Dorsolateral medulla
C. Inferior cerebellar peduncle
D. Vestibular nuclei
E. All of the above
ANS: E
Rationale: Lesions affecting the vestibular cortex, vestibular nuclei, inferior cerebellar peduncle, or spinocerebellar tracts may produce lateropulsion. Lateropulsion is pushing toward one side of the body when sitting and/or standing.
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