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5 Written questions

5 Matching questions

  1. neuronal integration
  2. time constant
  3. basilar membrane
  4. antidromic
  5. peak of action potenial
  1. a - summing of all IPSP and EPSP to determine if threshold has been met for AP generation
    - based on temporal & spatial summation
  2. b - ap travels backward propagation
  3. c - h gate closes
  4. d - the amount of time that a psp will last at a given membrane location = tau
    - time it takes for constant applied voltage to build up to 63% of its final value
  5. e - narrow at the base near oval window
    - wide at apex
    - hair cells have cilia will depolorize to different extents in response to frewuency of sound wave
    - 100 times stiffer than the apex
    -moves up an down in response to waves of pressure impinging on the oval window and transmitted through to round window
    - hair cells connect to sensory neurons that live in spiral ganglion inside cochlea

5 Multiple choice questions

  1. - processes sensory information from muscle and skin
  2. - synaptobrevin
    - syntaxin
    - SNAP-25
    - synaptotagmin
  3. - ANS
    - innervate all organs except liver, skin & arteries
    - always active to maintain homeostasis
    - causes relaxation & ihibits activity of innverated end organs
    - except increases digestion
    - bp, hr decrease, blood flow directed from muscle to viscera
  4. - primary connection with vestibular nuclei
    - recieves visual & sensory input
    - damage to it causes disturbance of balance and gait
  5. - return to membrane potential to a more negative potential than at rest
    - n gate takes a long time to close

5 True/False questions

  1. ossicle- end in "-ine" or "-in"
    - made in axon terminus (synaptic vesicles)
    - DA, ACh, histanine


  2. efferent neurons- carry information into the cns
    - incoming


  3. nerst equestion- calculates the exact value of the equilibrium potential for each ion in mV


  4. m gate sodium channel- activation gate
    - opens quickly when membrane is depolarized


  5. 8intermediolateral cell column- sound location method
    - difference in time it takes for sound to reach each ear if sound is not coming from directly in front or behind you
    - use for detecting direction of a sudden sound