Eloise C
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2 Perception (Week 5 - Light, Eye, and the Brain) Quiz on Light, Eye, and Brain, created by Eloise C on 15/04/2017.

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Eloise C
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Light, Eye, and Brain

Question 1 of 6

1

If you find it difficult (or impossible) to perceive a clear image of objects located at a distance, but have no problem with close up objects, then:

Select one of the following:

  • Your eye might be too short in length

  • You are probably low on aqueous humour

  • Your pupil is probably defective

  • Your are probably myopic

Explanation

Question 2 of 6

1

Which of the following is not true of the lens?

Select one of the following:

  • It has curved surfaces

  • It is denser than the surrounding media

  • It slows light upon entry

  • It does the majority of the focusing

Explanation

Question 3 of 6

1

Which of the following are not found in the human retina?

Select one of the following:

  • Photoreceptors

  • Ganglion cells

  • Horizontal cells

  • Monopolar cells

Explanation

Question 4 of 6

1

Rods are:

Select one of the following:

  • Absent in certain forms of colour blindness

  • Highly sensitive to long-wavelength light

  • More numerous than cones

  • Concentrated in the fovea

  • Responsible for daytime vision

Explanation

Question 5 of 6

1

The "blind spot":

Select one of the following:

  • Is the location where ganglion cells are most densely packed

  • Is absent in phototopic vision

  • Is populated by rod photoreceptors

  • Cannot be observed

  • Is sometimes referred to as the optic disk

Explanation

Question 6 of 6

1

The optic chiasm:

Select one of the following:

  • Is where the first post-retinal synapses are found

  • Is the sight of partial decussation of ganglion cell axons

  • Is Y-shaped

  • Is where the M- and P-ganglion cell pathways diverge

Explanation