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5 Written questions

5 Matching questions

  1. scale tympani
  2. spital summation
  3. cerebellar lobes
  4. capacitance
  5. amine
  1. a - rostral/anterior
    - caudal/posterior
    - vermis
    - flocculonodular
  2. b - the ability of plasma membrane to store or seperate cherges of opposite signs
  3. c - end in "-ine" or "-in"
    - made in axon terminus (synaptic vesicles)
    - DA, ACh, histanine
  4. d - compartment connected to round window
    - has perilymph fluid
  5. e - length constant
    - distance that the constant applied voltage will decay to 37 % of final value
    - determined by resistance; igh membrane resistance & low internal reistance -> high constant8

5 Multiple choice questions

  1. - alternating columns with nerons that have neurons with rapid or slow adapting properties recieving information from a given body area
    - same concept as in auditory & visual cortex
  2. - cilia on hair cells are tethered to each other at the tips by connecting filaments that act like springs that transmit tension to cation channels in membrane of cilia
  3. - slower but long lasting widespread effect
  4. - the change in membrane voltage caused by Ach
    - membrane must be depolarized to threshold to initiate an ap
    - each quantum causes 1mV deoplarization of membrane
    - EPSP or IPSP
  5. - involved in processing hearing and language

5 True/False questions

  1. oligodendrocytes- ap travels in one direction


  2. sympathetic ns anatomy- short preganglionis fibers in the lateral horns of thoracic and lumbar spinal cord levels only
    - long postganglionic fibers
    - preganglionic; Ach
    - postganglionic; NE, EP
    - innervates smooth muscle, cardiac muscle, gland cells


  3. 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


  4. peak of action potenial- depolarization
    - threshold
    - rising phase
    - overshoot
    - falling phase
    - undershoot
    - refractory period


  5. trigeminal touch pathway- follows an ap
    - cannot be fired even if there is a transient depolarization
    - due to Na channel inactivation, h gate slow to reopen
    - membrane is negative for h gate to reopen
    - ends when the K channel closes
    - subquent ap cannot be generated until membrane is repolarized


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