Otoliths are calcium carbonate crystals found in the utricle and saccule of the inner ear.When otoliths dislodge,the debris moves to the lowest part of the posterior semicircular canal each time the head shifts position.The shifting of the otoliths produces vertigo,nausea,and nystagmus.

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What Produces BPPV

Question 5

Multiple Choice

What produces BPPV?

A) Otoliths that block the middle ear,causing fluid buildup
B) Shifting of dislodged calcium carbonate crystals in the inner ear
C) Formation of large calcium crystals,which block the inner ear
D) Buildup of fluid in the inner ear

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