Amazing Eyes and Retina Structures Quiz
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Questions and Answers

What is the main function of the lens in the eye?

  • To see in color during the day
  • To transmit information to the brain
  • To bend and focus light entering the eye (correct)
  • To convert light into electrical signals
  • What are the cells called that help us see in color during the day?

  • Photoreceptors
  • Rods
  • Cones (correct)
  • Neurons
  • What do photoreceptors convert into electrical signals?

  • Electrical signals into light
  • Light particles into proteins
  • Information provided by light into electrical signals (correct)
  • Sound waves into electrical signals
  • What is the layer at the back of the eye that contains rods and cones?

    <p>Retina</p> Signup and view all the answers

    What is the term used to describe the rods and cones in the retina?

    <p>Photoreceptors</p> Signup and view all the answers

    What is the light-sensitive protein responsible for color vision located in the cone cells of the eye's retina called?

    <p>Photopsin</p> Signup and view all the answers

    Which protein is responsible for vision in low light conditions in the rod cells of the eye's retina?

    <p>Rhodopsin</p> Signup and view all the answers

    What process involves the conversion of light into signals that the nervous system can detect?

    <p>Phototransduction</p> Signup and view all the answers

    Which cells help to focus the image in the field of view and enhance contrast in the eye?

    <p>Horizontal cells</p> Signup and view all the answers

    What is the cranial nerve that transmits information from the retina to the brain often referred to as?

    <p>Optic nerve</p> Signup and view all the answers

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