63: The eye (physiology) Quiz

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  1. Which cell part makes a microtubule highway through a narrow passage in the rod and cone cells?1
  2. Pigmented epithelial cells regenerate when damaged, just like skin cells.1
  3. Which of these parts bends light?1
  4. Which amino acid to we find functioning as a neurotransmitter at the ends of rods and cones?1
  5. You blind spot is right over your fovea.1
  6. What holds the rhodopsin molecule in place?1
  7. When it is dark, the rods are switched on and are releasing neurotransmitters.1
  8. Which of these is NOT a job that the pigmented epithelial cells do?1
  9. Which one of these allows us to see at night?1
  10. You have more rods than cones.1
  11. What happens when a photon of light hits the retinal molecule?1
  12. Which is larger, the macula or the fovea?1
  13. To view things farther away, the lens must become flatter.1
  14. Which is smaller, rhodopsin or retinal?1
  15. Which of these parts holds the lens in place?1
  16. Which of these let the rods and cones communicate with each other?1
  17. Which of these is a color that cones don’t respond to?1
  18. The retina sees images upside down.1
  19. Which of these leads right into the optic nerve?1
  20. Where will you find the highest number of cone cells?1
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