Inner Ear Overview
Within the vestibule are how many fluid filled sacs?
What is two
What controls static equilibrium in the vestibule?
What are the saccule and utricle
Dynamic equilibrium is the ability to...
What is balance when body is in motion
Crista contain what kind of cells called capula
Taste is ____ % of smell?
What is 80%
The horizontal membranous sac within the vestibule
What is the Saccule
Patches of equilibrium receptors are called?
What is the macula
Dynamic equilibrium is controlled by what?
What are the semicircular Canals
True or False, the gelatinous cap on crista contain no otoliths
What is True
True or False, olfactory receptors are located in the lower part of the nose
False, they are located in the upper part
The vertical membranous sac within the vestibule
What is the Utricle
What lies within the gelatinous matrix on receptor hair cells within the macula?
What are otoliths
What is the name of the membranous sac each canal contains?
What is the ampula
The movement of the body, and the movement of _____ causes hair cells to bend
What are capula
Olfactory hairs extend into the layer of ____
True or False, the semicircular canals lie before the vestibules
False, they are beyond the vestibules
What is gravity
Where are the receptor areas located within the canals
True or False, impulses travel along a different pathway than the nervous system
What is False
The mucous in your nose dissolves _____
What is the air you breath
The semicircular canals are oriented into how many planes
What is the path that impulses take to get to the brain stem (hint, there are 3 steps)
What is acoustic nerve (VIII), cerebellum, and then brainstem
What are crista
What object do otoliths resemble
What are stones/pebbles
What kind of receptors sense changes on nerve endings?
What are chemoreceptors