Medical Quiz

Auditory and Vestibular Neurology Quiz


Preview:


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


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


dilated portion at the end of each semicircular canal

A. ampulla

B. utricle

C. saccule

D. vestibular


transmits info from the inner ear to the brainstem

A. vestibulocochlear nerve (CN VIII)

B. peripheral nerve


designed to detect and transduce head rotation and angular acceleration

A. semicircular canals

B. ampulla

C. otolith organs

D. vestibular hair cells


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


activates anterior canal

A. rolling

B. pitching

C. yaw


combined firing across cochlea represents

A. complex sound waves

B. tonotopic organization

C. auditory pathway

D. NSCLIMA


transfers sounds waves into perilymph fluid inside scale vestibuli

A. stapes

B. basilar membrane

C. saccule

D. scala tympani


utricle and saccule are otolith organs

A. TRUE

B. FALSE


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


fluid flows around into scale tympani and releases less energy out round window

A. TRUE

B. FALSE


starts processing timing and intensity difference for localization of sound

A. cochlear nucleus

B. superior olive

C. medial geniculate

D. auditory cortex


movement of otoliths, creates a shear force in the gel matrix

A. saccule

B. otoconia

C. utricle

D. cupula


activates posterior canal

A. rolling

B. pitching

C. yaw


each semicircular canal is filled with fluid that causes gel-like cupola to shift

A. TRUE

B. FALSE


(basilar membrane) wide, thin, floppy, close to apex

A. low frequency

B. high frequency


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

A. TRUE

B. FALSE


integration with vision (LGN) and other senses

A. cochlear nucleus

B. superior olive

C. medial geniculate

D. auditory cortex


complex sound waves are decomposed into individual frequencies in cochlea

A. TRUE

B. FALSE


balance in the head and neck

A. LVN-spinal cord

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

C. SVN-MLF-CNIII,IV,VI


waves in _____ shake tectorial and basilar membranes

A. fluid

B. liquid

C. stapes

D. sound


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

A. semicircular canals

B. otolith organs

C. vestibular hair cells

D. ampulla


waves in ________ press hair cells into tectorial membrane, bending cilia, firing receptor cells

A. fluid

B. solids

C. liquids

D. sounds


sense head rotation and motion

A. VOR

B. saccule

C. utricle

D. Vestibular canals




Disclaimer:

Medical Quiz should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational and educational purposes only.