Balance Flashcards
Which part of the ear is responsible for balance?
c) Inner ear
What is the primary function of the semicircular canals?
c) Stabilize gaze during head movements
Which organ is responsible for balance during linear acceleration in the horizontal plane?
c) Utricle
What is the sensory organ in the semicircular canals?
a) Crista
What condition is caused by otoconia dislodgement into the semicircular canals?
c) Benign paroxysmal positional vertigo (BPPV)
Which semicircular canal is most commonly affected in BPPV?
b) Posterior
What test is used to diagnose posterior canal BPPV?
b) Dix-Hallpike test
What is the hallmark symptom of Meniere’s disease?
b) Triad of tinnitus, vertigo, and fluctuating hearing loss
What does the utricle detect?
b) Linear acceleration in the horizontal plane
What structure connects the cochlea to the vestibular system?
a) Vestibule
Which test evaluates the function of the utricle and saccule?
b) VEMP
What is the cause of vestibular neuronitis?
a) Viral infection
Which condition involves the destruction of the vestibular nerve due to a tumor?
a) Vestibular schwannoma
In Meniere’s disease, what leads to increased pressure in the inner ear?
b) Excessive endolymph production
What does the Epley maneuver treat?
c) BPPV