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Test3-Physiology

Neurophysiology Special Senses

QuestionAnswer
What are the visible light wavelengths? 400 - 750nm. Practical use would be when buying headlights, some advertise super bright light at 1000 nm, really no good b/c you can only see up to 750nm.
Where is the focal plaane for lens/cornea? Retina
What does the key refractory of light and what does more of the fine tuning of light/image? Cornea does most refractory and lens fine tunes.
Changing the curvature of the lens via the ciliary muscles adjust what? Focal length
PresBYopia means what? decrease accommodation need for BYfocals to help with near vision.
I can see things near me, I have nearsightedness, this means the focal plane is near my lens, what is this called? MYopia
If you can see things far away you have farsightedness, and the focal plane is far from lens, what is this called? Hyperopia
if you have no single focal plane b/c of irregularities in the cornea and lens you have what? Astigmatism
Left side of brain receives information from sight in what visual field for both eyes? Right half of visual field for both eyes
We have how many kinds of cones in the retina? 3 - blue, green and Red
What are four structures making up the outer ear? Auricle, tympanic membrane, TEMPORAL BONE, and External acoustic meatus
The receptor type hair cells are large mircrovilli called what and have what kind of gated K channels? Called Stereocilia and are Mechanically-Gated K channels
When Mechanically gated microvilli called sterocilia and bent or moved this causes a depolarization and what is unique about this type of depolarization? K flows into the cell not Na
Where is one of the only places in the body where K flows into the cell and not Na? Endolymph, K causes depolarization of cell.
The middle ear components mechanically do what to sound? Amplify
Created by: cmuox2000
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