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Anatomy of the Eye

Please answer the following five multiple choice questions.

1) The only cell that has a axon that leaves the retina is the
A) photoreceptor
B) bipolar cell
C) ganglion cell
D) amacrine cell

2) Rods are much more sensitive to light than cones because
A) Rods project directly to ganglion cells, while cones do not
B) Rods have a much higher concentration of photopigment
C) Rods have much larger receptive fields
D) Rods are selectively concentrated in the fovea of the eye

3) On a moonless night, one can see a dim star best with their
A) Fovea
B) Macula
C) Central retina
D) Peripheral retina

4) All of the following are specializations of the fovea EXCEPT
A) Absence of blood vessels
B) Pushing aside of ganglion cells and bipolar cells
C) There is a greater density of rod photoreceptors
D) Higher ratio of ganglion cells to photoreceptors

5) The structure of the eye responsible for converting light energy into neural activity is called the
A) Cornea
B) Retina
C) Sclera
D) Lens

Solution Preview

1) The only cell that has a axon that leaves the retina is the
C) ganglion cell

2) Rods are much more sensitive to light ...

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