Other questions in this quiz

2. True or false: cones transmit information in brighter light than rods.

  • True
  • False

3. What is the function of the conjunctiva?

  • It protects the cornea from damage.
  • It focuses incoming light rays onto the retina.
  • It controls the amount of light entering the eye.

4. What happens to the iris when the pupils constrict?

  • Both the circular muscles and the radial muscles contract.
  • The circular muscles contract and the radial muscles relax.
  • The circular muscles relax and the radial muscles contract.

5. What is the parasympathetic cranial nerve also known as?

  • the oculomotor
  • the choroid
  • the vitreous humour

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