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PSYB51H3 Study Guide - Quiz Guide: Optic Nerve, Ganglion Cell, Optic Disc


Department
Psychology
Course Code
PSYB51H3
Professor
Matthias Niemeier
Study Guide
Quiz

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Test Bank
Chapter 2: The First Steps in Vision: Seeing Stars
1. Light can be described as a stream of photons or a(n)
a. signal.
b. wave.
c. source.
d. outlet of energy.
e. illuminant.
2. The left side of the figure below shows the
a. spectrum of visible light.
b. different kinds of light.
c. spectrum of electromagnetic energy.
d. number of photons emitted by a light source.
e. amount of heat emitted by a light source.
3. Light cannot be
a. absorbed.
b. refracted.
c. dissolved.
d. transmitted.
e. scattered.
4. When something strikes a surface, especially light, sound, or heat, and it is redirected
(usually back toward its point of origin), it is being
a. refracted.
b. transmitted.
c. scattered.
d. reflected.
e. absorbed.
5. The cornea, shown below, can be thought of as a(n)
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a. transparent window.
b. opaque substance.
c. refractive medium.
d. mirror.
e. focusing surface.
6. The retina
a. is the tough outer covering that protects the eye.
b. contains watery fluid.
c. focuses the image.
d. diffracts light.
e. contains rods and cones.
7. Accommodation is the process in which the _______ of the eye changes its shape.
a. retina
b. lens
c. pupil
d. iris
e. cornea
8. The part of the eye that expands or contracts to let more or less light into the eye is the
a. cornea.
b. lens.
c. iris.
d. sclera.
e. fovea.
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