ETS Praxis Audiology Practice Test 2026 – Complete Exam Prep

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A caloric test shows a left unilateral weakness. Which statement is most accurate?

It suggests a right peripheral vestibular disorder of the labyrinth

It is of no real interpretive value

It suggests a nonspecific (nonlocalizing) vestibular disorder

It suggests a left peripheral vestibular disorder of either the labyrinth or the VIIIth nerve.

A unilateral weakness on caloric testing localizes to reduced function on the side of the weakness, pointing to a left peripheral vestibular lesion. This means the problem could be in the left labyrinth or in the left vestibular (VIIIth nerve) pathway supplying that labyrinth. The test doesn’t point to a right-sided issue, nor does it render the finding nonlocalizing or of no interpretive value. A clear, side-specific deficit like this is one of the ways caloric testing helps differentiate peripheral vestibular dysfunction from other possibilities.