63: The eye (physiology) Quiz

Please sign up for the course before taking this quiz.
  1. Which is larger, the macula or the fovea?1
  2. To view things farther away, the lens must become flatter.1
  3. Pigmented epithelial cells regenerate when damaged, just like skin cells.1
  4. Which of these parts bends light?1
  5. Which amino acid to we find functioning as a neurotransmitter at the ends of rods and cones?1
  6. Where will you find the highest number of cone cells?1
  7. Which of these let the rods and cones communicate with each other?1
  8. Which one of these allows us to see at night?1
  9. Which is smaller, rhodopsin or retinal?1
  10. Which cell part makes a microtubule highway through a narrow passage in the rod and cone cells?1
  11. Which of these leads right into the optic nerve?1
  12. Which of these is NOT a job that the pigmented epithelial cells do?1
  13. Which of these parts holds the lens in place?1
  14. When it is dark, the rods are switched on and are releasing neurotransmitters.1
  15. You have more rods than cones.1
  16. What happens when a photon of light hits the retinal molecule?1
  17. The retina sees images upside down.1
  18. You blind spot is right over your fovea.1
  19. What holds the rhodopsin molecule in place?1
  20. Which of these is a color that cones don’t respond to?1
Back to: 63: The eye (physiology)