SIU Neurology Resident Neuroscience Course

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Chapter 30. Hearing

  1. The receptor organ of hearing is
    1. The outer hair cells
    2. The organ of Corti
    3. The basilar membrane
    4. The scala media
  2. The presence of otoacoustical emissions is evidence that
    1. The cochlea functions as a sound amplifier
    2. Deafness is not due to cochlear damage
    3. Outer hair cells are intact
    4. All of the above
  3. The sensory transducer for hearing is the
    1. Inner hair cell
    2. Outer hair cell
    3. Basilar membrane
    4. None of the above
  4. The medial superior olive functions primarily in
    1. Sound amplification
    2. Frequency coding
    3. Azimuthal localization
    4. All of the above
  5. Unilateral deafness is likely to be caused by unilateral lesions to the
    1. Gyri of Heschl
    2. Medial geniculate body
    3. Inferior colliculus
    4. None of the above
  6. The stapes is attached to the
    1. Round widow
    2. Oval window
    3. Helicotrema
    4. Scala media

Chapter 31. Sensory Transduction in the Ear

  1. Aminoglycosides damage hearing by
    1. Blocking and permeating ion channels
    2. Damaging mitochondria
    3. Both
    4. Neither
  2. Like the cGMP-gated ion channel of photoreceptors, the ion channels of hair cells are open in the unstimulated state
    1. True
    2. False
  3. Hair cells
    1. Are epithelial cells
    2. Release neurotransmitter
    3. Exhibit electrical resonance
    4. All of the above
  4. The following is (are) essential for hair cell signal transduction
    1. Tip links
    2. Brownian motion
    3. Subsonic infrared
    4. All of the above


This is an open-book test due 2/5/2002
A score of 80% or better is required. If your score is less, you are required to retake the test.

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