Medical Quiz

Auditory and Vestibular Neurology Quiz


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regions in the inner ear that contain macula (hair cells in a gel with otoliths on top)

A. ampulla

B. utricle and saccule

C. simicircular canals


by comparing intensity and timing of neuron firing in each ear, we can determine vertical location of sound source

A. TRUE

B. FALSE


each frequency with energy will destroy waves in basilar membrane causing hair cells in region to fire

A. TRUE

B. FALSE


information from ipsilateral medial geniculate body, info sent to association areas for further processing

A. primary auditory cortex (A1)

B. heschl’s gyrus

C. vestibular

D. utricle


utricle and saccule are otolith organs

A. TRUE

B. FALSE


integration with vision (LGN) and other senses

A. cochlear nucleus

B. superior olive

C. medial geniculate

D. auditory cortex


activates posterior canal

A. rolling

B. pitching

C. yaw


detect linear acceleration in vertical (saccule) and horizontal (utricle) planes

A. semicircular canals

B. otolith organs

C. vestibular hair cells

D. ampulla


balance in the head and neck

A. LVN-spinal cord

B. M/IVN-upper spinal cord/cranial nerves

C. SVN-MLF-CNIII,IV,VI


transduce the mechanical energy created by head motion into electrical signal that travels down CN VIII, work very similar to hair cells in cochlea

A. ampulla

B. semicircular canals

C. otolith organs

D. vestibular hair cells


sense head rotation and motion

A. VOR

B. saccule

C. utricle

D. Vestibular canals


our ears are offset horizontally making up/down localization less difficult

A. TRUE

B. FALSE


activates anterior canal

A. rolling

B. pitching

C. yaw


transmits info from the inner ear to the brainstem

A. vestibulocochlear nerve (CN VIII)

B. peripheral nerve


starts comparing timing and intensity differences and comparing each ear, acoustic brainstem reflex

A. cochlear nucleus

B. superior olive

C. medial geniculate

D. auditory cortex


located in temporal lobe, maintains tonotopic organization

A. A1

B. heschl’s gyrus

C. vestibular

D. saccule


designed to detect and transduce head rotation and angular acceleration

A. semicircular canals

B. ampulla

C. otolith organs

D. vestibular hair cells


eyes track an object while the head is moving

A. LVN-spinal cord

B. M/IVN-upper spinal cord/cranial nerves

C. SVN-MLF-CN VIII,IV,VI


transfers sounds waves into perilymph fluid inside scale vestibuli

A. stapes

B. basilar membrane

C. saccule

D. scala tympani


complex sound waves are decomposed into individual frequencies in cochlea

A. TRUE

B. FALSE


waves in _____ shake tectorial and basilar membranes

A. fluid

B. liquid

C. stapes

D. sound


starts processing timing and intensity difference for localization of sound

A. cochlear nucleus

B. superior olive

C. medial geniculate

D. auditory cortex


three half-moon tubes oriented in the three primary planes (anterior, posterior, lateral)

A. semicircular canals

B. ampulla

C. utricle

D. saccule


body balance

A. lateral vestibular nuclei in spinal cord

B. medial/inferior vestibular nuclei to upper spinal cord/cranial nerves

C. superior vestibular nuclei to medial longitudinal fasiculus to CN III, IV, VI


dilated portion at the end of each semicircular canal

A. ampulla

B. utricle

C. saccule

D. vestibular




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