Anatomy Chapter 17 review

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Anatomy Chapter 17 review
2012-12-06 21:10:05

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  1. a reduction in sensitivity in the presence of a constant stimulus is
  2. A blind spot occurs in the retina where
    the optic nerve attaches to the retina
  3. Sound waves are converted into mechanical movements by the 
    tympanic membrane 
  4. THe basic receptors in the internal ear are the 
    hair cells
  5. THe retina is found in 
    the inner layer
  6. At sunset your visual system adapts to 
    rod-based vision
  7. A better-than-average visual acuity rating is 
  8. THe malleus, incus, and stapes are the tiny bones located in the 
    middle ear
  9. Receptors in the saccule and utricle provide sensations of 
    gravity and linear acceleration
  10. The spiral organ is located in the _____________ of the internal ear
  11. Auditory info about the frequency and intensity of stimulation is relayed to the CNS over the cochlear branch of cranial nerve
  12. What are the three types of papillae on the human tongue?
    • 1. filiform papillae
    • 2. fungiform papillae
    • 3. circumvallate papillae 
  13. What structures make up the vascular layer of the eye?
    What are the functions of the fibrous layer?
    sclera and the cornea

    provides mechanical support and some physical protection, serves as an attachment site for the extrinsic eye muscles, and contains structures that ssist in the focusing process
  14. What structures make up the vascular layer of the eye?
    • iris
    • ciliary body
    • choroid
  15. WHat are the three auditory ossicles in the middle ear, and what are their functions?
    The malleus, incus, and stapes transmit a mechanical vibration (amplified along the way) from the tympanic membrane to the oval window
  16. Displacement of sterocilia toward the kinocilium of a hair cell 
    produces a depolarization of the membrane
  17. Damage to the cupula of the lateral semicircular duct would interfere with the perception of 
    horizontal rotation of the head
  18. WHen viewing an object close to you your lens should be more