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General and Special Senses

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									Biology 4
Review Questions
Chapter 17 - General and Special Senses
  1. What are sensory receptors and how do they work?
     a. Compare and contrast the general pathways of the general senses vs. the
        special senses as their impulses travel to the brain.
     b. What determines the sensation that you feel when a sensory receptor is
        stimulated?
  2. List the types of receptors that give you general sensory information. To what
     kinds of stimuli do they respond?

  3. What is sensory adaptation?

  4. What are olfactory receptors? Where are they located? Describe their structure.
     How are they stimulated?

  5. What are taste receptors? Where are they located? Describe their structure. How
     are they stimulated?

  6. What are the 4 primary taste sensations? Where are their receptors located on the
     tongue?

  7. What are the names of the structures found in the external ear? middle ear? inner
     ear? What are the functions of each?

  8. Describe the receptors used for balance. Where are they located? How are the
     stimulated?

  9. Describe the receptors used for hearing. Where are they located? How are they
     stimulated?

  10. Follow the path of sound waves into the ear; name in order the structures that
      carry the waves until they are interpreted by the brain.

  11. What are the accessory structures of the eye? What are their functions?

  12. Name the 3 layers of the eye. What structures are found in each? What is the
      function of each structure?

  13. How does the eye focus on near or distant objects?

  14. What is the name and location of each cavity of the eye? What fluid is found in
      each? What is glaucoma?

  15. What types of photoreceptors are found in the retina? How are they stimulated?
16. What causes the blind spot?

17. Follow the path of light rays into the eye; name in order the structures that light
    passes through until is interpreted by the brain.

18. What is myopia? hyperopia? presbyopia? astigmatism?

								
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