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1


optic disc
2


ciliary muscle
3


fovea
4


lens
5


retina
Answer choices:
A)area of retina with greatest sharpness of image
B)region of retina where optic nerve leaves retina
C)adjusts curvature of lens
D)focuses light on retina
E)layer of photoreceptor cells on the back inner surface of eye where light is focused


6Your blind spot lacks photoreceptors. Why don’t you have a loss of vision from your blind spot?


7Our eyes exhibit right – left dominance.
A)True
B)False


8The closest distance at which an object is in sharp focus is ________.
A)near point
B)near sighted
C)focus point
D)close focus


9How will near point change as you age?


10Define binocular vision.


11Define afterimage.


12A person with 20/40 vision has better visual acuity than one with 20/20 vision.
A)True
B)False


13Define astigmatism.


14There are more cones in the periphery of the visual field than the central fovea.
A)True
B)False


15Is there colorblindness in your family? In some family that you are familiar with?


16What are two major kinds of hearing loss?


17What instrument will you use to test hearing loss?


18Food must be dissolved in saliva for it to be tasted.
A)True
B)False


19Papillae are sensory projections (bumps on your tongue) with arranged down their sides that open into the mouth through a pore.


20What other sense is strongly associated with taste?


21If you wear perfume or cologne, you stop smelling it after a while. This is an example of .





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