63: The eye (physiology) Quiz

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  1. Which of these is a color that cones don’t respond to?1

  2. Which cell part makes a microtubule highway through a narrow passage in the rod and cone cells?1

  3. The retina sees images upside down.1

  4. Which is smaller, rhodopsin or retinal?1

  5. What holds the rhodopsin molecule in place?1

  6. You have more rods than cones.1

  7. Which is larger, the macula or the fovea?1

  8. Which of these parts bends light?1

  9. Pigmented epithelial cells regenerate when damaged, just like skin cells.1

  10. When it is dark, the rods are switched on and are releasing neurotransmitters.1

  11. Which of these parts holds the lens in place?1

  12. Where will you find the highest number of cone cells?1

  13. To view things farther away, the lens must become flatter.1

  14. Which of these let the rods and cones communicate with each other?1

  15. What happens when a photon of light hits the retinal molecule?1

  16. Which of these is NOT a job that the pigmented epithelial cells do?1

  17. Your blind spot is right over your fovea.1

  18. Which one of these allows us to see at night?1

  19. Which of these leads right into the optic nerve?1

  20. Which amino acid to we find functioning as a neurotransmitter at the ends of rods and cones?1

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