Science Quiz / Auditory & Visual System

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Can you name the Auditory & Visual System?

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QuestionAnswer
cGMP phosphodiesterase converts cGMP into
Parts of middle ear
Dark Adaptation: _____ are favored, and this process speed is _____
P channel has ___ connections to the thalamus
Outer hair cells _______ to spiral ganglion
Major visual pathway; color, fine detail
Theory: high frequency in base, low frequency in flexible region apex
Parts of external ear
Phototransducer: color vision; day vision, located in fovea
Two main components of choroid
Auditory: Depolarization from ____ influx
Circular and radial fibers with opening in the center - pupil; controls diameter and size of pupil
Changing lens shape to maintain clear image
Auditory pathway: spiral ganglion to _______
Light Adaptation: ____ are favored, and this process speed is ______
Fills the Anterior chamber; nutrition, immune respones, etc. ; continuously replenished
If the receptive field of an on-center ganglion cell is illuminated, the frequency of nerve impulses ______
Auditory pathway: termination location in the midbrain
If the receptive field of an off-center ganglion cell is illuminated, the frequency of nerve impulses ______
Focusing system; its curvature is controlled by ciliary smooth muscle
Synapse type in which sign is preserved
Middle portion of retinal nervous tissue; Graded potentials only; no action potentials
Synapse type in which sign is reversed
Harmonics and overtones
Amplitude of oscillations of basilmar membrane
Inner hair cells _______ to spiral ganglion
Neurotransmitter between bipolar and rods/cones
Number of inner hair cells
The major auditory pathway decussates in the _____
Intracellular resting membrane potential
Frequency of oscillations of basilar membrnae
membrane covered opening leading from middle ear to vestibule
Exit point of optic nerve fibers; blind spot with no photoreceptors; entry of retinal arteries and veins
Hearing mechanism: movement of fluid in cochlear canal to oscillation of _________
Part of scala media that includes the tectorial membrane, basilmar membrane, hair cells, and cochlear neurons
Consists 1 million optic nerve fibers that travel to the brain
Open sodium channels allows ______ of the membrane
Association neurons; graded potentials and Aps
Moving along the basilar membrane form ____ to _____, goes from depolarization to hyperpolarization
White outerlayer of connective tissue; protection of eye
Auditory pathway: vestibulocochlear nerve to ______
Transparent extension of schlera
Amplification Factor from ear drum to oval window
95% neurons in inner hair cells are
QuestionAnswer
Auditory pathway: cochlear nuclei to ________
Visual pathway: optic tracts to ______
center of retinal visual field containing only cones; not perfectly centered
Cochlear fluid
Type of lens in the eye
Rods are found in the ____
Composoition of Rhodopsin
M channel has ____ connections to the thalamus
Amplification Factor from tympanic membrane to oval window
In the light, ______ is activated which in turn, activates a ________
Lateral geniculate bodies synpase with neurons that form ______
Optic nerve fibers are ____ while ganglion cell are not ________
Order of largest wave length to smallest (4)
The _____ half of the retina decussates in the optic chiasm
In presence of light, a ______ in glutamate causes inhibition of on-center cells & excitation of off-center cells
thin pigmented inner layer
Hearing mechanism: change in hair cell ion channel conductance to excitation of ________
2 cell types that mediate lateral information flow
Inner most portion of retinal nervous tissue; AP transmission to brain
Location of hair cells 'stereocilia'
Visual pathway: optic chiasm to ______
Blood clots in eye
Auditory pathway: medial geniculate to the _______
number of outer hair cells
Layer of specialized nerve cells responsible for image formation; blood supply
Cone photopigment composition
Controls auditory reflex
Making of the aqueous humor
100 million of these phototransducers in the eye
95% neurons in outer hair cells are
Optical tracts can also go to the ________ and ______(not the lateral geniculate bodies)
Hearing mechanism: oscillation of basilar membrane to deformation of _______ against the __________
hair cells rugged against _______ causing deformation and production of action potential
Ossicles in order or sound tranmission from tympanic membrane
Light blocks sodium conductance in this part of the rod/cone
Parts of Cochlea in order of top to bottom (omit scala)
Decreased concentration of cGMP causes ______ to close
controls curvature of lens
The ______ half of the retina does not decussate in the optic chiasm
non-circulating, nonabsorbing, permanent gelatinous clear substance
Meeting point of vestibuli and tympani
The cochlear fluid
Auditory pathway: midbrain to ________
Rods/Cones synapse with ______
QuestionAnswer
Horizontal cells having an inhibitory synpase with bipolar cells
Location of vitreous humor
Visual cortex is located in the
Visual pathway: optic nerve to ______
Auditory pathway: lateral lemniscus to_________
Transducin activates __________
Theory: Vibrations in oval window cause response traveling wave in cochlear fluid
Hearing mechanism: oval window to movement of fluid in _______
Phototransducer: night vision, black and white, located in periphery of retina
Location of auditory cortex
3-6 million of these phototransducers in the eye
In Resonance theory, the flexible apex has a _____ frequency
Type of movement that superior colliculus controls
Association neurons; graded potentials only
Cranial Nerve 3
Bipolar cells synapse with ______
External ear: acts as funnel collecting sound directing it ot the auditory canal
In the dark, this substance is abundant, allowing open sodium gated channels
allows fluid in the cochlea to move along with the oval window
Area where glaucoma occurs
In Resonance theory, the stiff base has a ____ frequency
hyperpolarizing bipolar cell
Cranial Nerve 2
Occulormotor/Cranial Nerve 3 controls the ________
Auditory: Hyperpolarization from ____ outflux
Hearing mechanism: Pinna to ______
Hearing mechanism: ossicles to ________
Cones are found in the ____
Hearing mechanism: Tympanic membrane to _______
Visual pathway: Lateral geniculate to _________
Max frequency in Hertz heard
Controls ciliary muscle and pupilary muscles
Photopigment in rods
Minor visual pathway; gross features, movement of object
Hearing mechanism: deformation of hair cells to change _________
Depolarizing bipolar cell
Order of largest frequency to smallest frequency (4)
Center of the iris
Hearing mechanism: Auditory canal to ______
G-Protein stimulated in light phototransduction
Auditory pathway: superior olivary nucleus to ________
Cranial nerve number 8

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