A 56-year-old man complains of sudden onset of severe dizziness,“like the room was spinning,” which he first noted while checking his car tire pressure. His symptoms resolved quickly but recurred for...

A 56-year-old man complains of sudden onset of severe dizziness,“like the room was spinning,” which he first noted while checking his car tire pressure. His symptoms resolved quickly but recurred for several seconds when turning in bed this morning. He has no other symptoms and his hearing is normal. Where is the problem?

A. Utricle

B. Eighth nerve

C. Vestibular nuclei

D. Semicircular canal

E. Saccule