Sensory System

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

Cones have very little______

convergence

Rods act in

convergent circuits

Cones see in _______ and are resposible for _______ vision

color sharp

The fovea centralis only has

cones

Photoreceptors in _______ do not remain bleached as long as _____

cones rods

T/F hyperpolarized membrane releases glutamate to the bipolar cell

f

T/F photoreceptors release neurotransmitters when they are being stimulated

f

T/F rhodopsin can respond to light when retinal is not in its bent (cis) configuration

f

It requires more energy to generate sound waves in____ than _____

fluid air

removal of inhibitory_____ in response to _____ allows for action potential to be sent to the brain

glutamate light

Which color has the longest wavelength?

red

The 3 major cone types

red blue green

When light hits an object, and all of some of it is reflected back

reflection

________ allows us to detect different frequencies in hearing

resonance

What is responsible for converting light into an action potential

retina

As we move from the center of the eye, we see more____

rods

Which color of visible light has the shortest wavelength?

violet

Depolarization causes _____ voltage gated channels to open which releases _______

Ca+ glutamate

retinal is a derivative of

Vitamin A

The genes for red/green colored-blindness are located on the _____ chromosome

X

when light is absorbed by an object

absorption

The ear has to transfer vibrations from the ____ to vibrations in____

air fluid

Each segment of the ________ membrane has an innate frequency, at which it ________(resonance)

basliar vibrates

Rods signal to _______ _____ which signal to a single _______

bipolar cells ganglion

Cones signal to individual________ and _______ cells

bipolar ganglio

Rods only see_____ and _____ and are responsible for _________ vision

black white night

Phosphodiesterase converts _____ into _____ which closes Na+ channels, making the membrane______

cGMP GMP hyperpolarized

cGMP is bound to cation channel in the______ which allows _____ to rush in and the cell is in a depolarized state

dark Na+

A temporary tube can be placed in ___________ if child always has ear infections, and they usually fall out at ____ months

eardrum 18

The _______________ tubes can become blocked by fluids and make air pressure ___________

eustachian uneven

Shorter wavelengths means_______ frequency and________

higher energy

eustation tubes in children are more

horizontal

Snakes can see in

infrared

Glutamate can be ______ or ______ but is usually ______

inhibitory excitatory inhibitory

vision-the function of the eye is to convert____ _____ into______ _______

light waves action potentials

Longer wavelengths means_______frequency and _______

lower lower

What is responsible for amplifying sound waves so that their energy is not lost

middle ear

Distribution of photoreceptors in the retina is

not uniform

blue-yellow color blindness is _____ _____

not x linked

Rhodopsin is composed of

opsin and retinal

The arrangement of ear _____ amplifies sound

ossicles

The process of converting light into electrical energy

phototransduction

______ are inactive during the day due to the process of _______

rods bleaching

______ and ______ convert light into action potentials

rods cones

______ out number _____ ____:___

rods cones 20 1

Rods are very _______ to light and several will respond to a _____ photon

sensitive single

Photoreceptors in cones work similar to rods, but only stimulated in response to _______ _______

specific wavelengths

Membranes of _________ have mechanically gated channels

stereocilia

T/F When Glutamate is inhibitory, the bipolar neuron wont fire

t

When light strikes rhodopsin, the g-protein______ is activated, which in turn activates _____

transducin phosphodiesterase

when all light passes through an object it hits

transmission

The _______ ______ has _____ times more surface area than oval window resulting in a ____________ of energy

tympanic membrane 20 concentration

Birds and bees can see in

untraviolet


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