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What are the portions of the membranous labyrinth that contain the receptors for static equilibrium?

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utricle and saccule
...

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What is the term for the type of receptors involved in hearing and equilibrium?

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All of the following are correct about static equilibrium EXCEPT


A) it occurs when the head is motionless or moving in a straight line
B) it is involved in evaluating the position of the head relative to gravity
C) the receptors are located in the utricle and saccule
D) the organ containing the receptors is called the crista ampullaris
E) a gelatinous type of material deforms the hair cells

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What is the term for the region where some of the optic nerve fibers cross over to the opposite side?

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The hair cell receptors for dynamic equilibrium detect


A) the pull of gravity
B) vibrations of ossicles
C) movement of otoliths
D) movement of endolymph
E) vibrations in the perilymph

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Pitch is determined by the


A) number of hair cells that are stimulated
B) region of the organ of Corti that is stimulated
C) region of the tectorial membrane that is stimulated
D) amplitude of the sound vibrations
E) amount of movement in the oval window

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The specific organ that contains the hair cell receptors for hearing is the


A) vestibular membrane
B) organ of Corti
C) tectorial membrane
D) organ of ampullaris
E) macular organ

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A word that means "surgical repair of the ear" is


A) tympanectomy
B) iridectomy
C) audiology
D) otoplasty
E) keratoplasty

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D

The visual cortex where visual impulses are interpreted is in the


A) thalamus
B) frontal lobe
C) temporal lobe
D) occipital lobe
E) optic chiasma

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The three regions of the inner ear are the


A) utricle, saccule, and semicircular canals
B) vestibule, semicircular canals, and cochlea
C) utricle, saccule, and cochlea
D) vestibule, saccule, and cochlea
E) vestibule, utricle, and saccule

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Which of the following does not refract light?


A) pupil
B) lens
C) cornea
D) vitreous humor

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A

The function of the auditory ossicles is to


A) support the tympanic membrane and oval window
B) dampen or reduce the amplitude of sound waves so the inner ear is not damaged
C) transmit the sound waves from the external ear to the inner ear
D) prevent the leakage of fluids from the inner ear
E) provide structural support for the middle ear

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The region of the retina where there are no visual receptors is the


A) optic disk
B) macula lutea
C) fovea centralis
D) pupil
E) vitreous body

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What is the term for the region of the inner ear that contains the organ of hearing?

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What is the term for the gland that produces tears in the eyes?

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What is the term for the area of the retina where vision is sharpest?

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Fluid within the bony labyrinth,but outside the membranous labyrinth,of the inner ear is called perilymph.

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The sense organs for dynamic equilibrium


A) are located in the membranous labyrinth of the semicircular canals
B) are called macula
C) detect the position of the head relative to gravity
D) contain otoliths embedded in a gelatinous mass

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The fluid that is outside the membranous labyrinth but inside the bony labyrinth is the


A) perilymph
B) endolymph
C) ceruminous fluid
D) aqueous humor
E) vitreous humor

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A

The receptors for hearing are located in the


A) utricle
B) saccule
C) vestibule
D) semicircular canals
E) cochlea

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