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5 Written questions

5 Matching questions

  1. scala vestibuli
  2. cerebellar lobes
  3. goldman equation
  4. neurotransmission
  5. inhibitory transmission
  1. a - connected to the oval window
    - where sound waves enter the cochlea
    - have perilymph fluid
  2. b - rostral/anterior
    - caudal/posterior
    - vermis
    - flocculonodular
  3. c - used to calculate membrane potential
    - assumes that electrical field of the membrane potential is equal across the span of the membrane
  4. d - synaptic transmission that causes transcient hyperpolarization of the post synaptic neuron
    - decreases the probability that the ppost synaptic neuron will fire an action potential
  5. e 1. AP comes to axon terminus & causes depolarization
    2. depolarization opens up Ca2+ channels
    3. Ca2+ binds to SNARE proteins (esp. synaptotgmin)
    4. vessicle membrane & axon membrane fuse together
    5. exocytosis of NT-bind receptors
    6. vessicle membrane is recycled
    -> via clathin mediated endocytosis and
    -> dynamin for hydrolysis of GTP (energy for recycling)

5 Multiple choice questions

  1. - in secondary cortex
    - when damaged patients cannot understand speech because the sounds or out of order
  2. - allows inward Na flux and triggers an increased outward K flux through voltage gated ion channels
    - causes transient changes in membrane potential
    - triggered by transient depolarization of the membrane
  3. - synaptobrevin
    - syntaxin
    - SNAP-25
    - synaptotagmin
  4. - innervate skin and muscle
    - soma is in the dorsal root ganglion of the spinal cord at each level
    - afferent
  5. - 3 fore brain nuclei involved in motor control
    - putamen
    - globus pallidus
    - caudate nucleus

5 True/False questions

  1. IPSP- caused by increase in potassium permeability similar to the undershoot of the ap
    - decreases the likelihood that the axon hillick reaches threshold depolarization for firing an ap
    - influx Cl or efflux K
    - if Ecl=V then no change in V
    - ex. GABA & glycine

          

  2. exocytosis- inability to recognize objects, including your own body part
    - injury caused neglect syndrome
    - astereoagnosia

          

  3. spital summation- 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

          

  4. first-order neurons- has the sensory receptor
    - innervates skin by right & left dorsal roots of a single spinal segment

          

  5. glycine- precursor: acetyl CoA, chloine
    - made by cholineacetyltransferase ChAT
    - degraded by acetylchlolinsterase AChE
    - nicotinic receptor (NAChR) - muscle contraction
    - mesacrarisic receptor - slow down heart rate

          

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