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5 Written questions

5 Matching questions

  1. repolarization
  2. telodendria
  3. ganglia
  4. neurotransmitter
  5. dendrite
  1. a -masses of neuron cell bodies
    -surrounded by neuroglia
    -found in PNS
  2. b branched
  3. c -chemical messengers
    -affect receptors of postsynaptic membrane
  4. d ...
  5. e -when the stimulus is removed, transmembrane potential returns to normal

5 Multiple choice questions

  1. graded potentials developed in a postsynaptic cell
    -in response to neurotransmitters
  2. cells that send and receive signals
  3. -to trigger an action potential
    -one EPSP is not enough
    -EPSPs (and IPSPs) combine through summation
    -temporal summation
    -spatial summation
  4. -transmembrane potential is most affected at point of stimulus and then diminishes with distance
    -spreads passively
    -may involve either depolarization or hyperpolarization
    -the stronger the stimulus the greater the effect

5 True/False questions

  1. depolorization, repolarization, and hyperpolarization-increasing the negativity of the resting potential
    -result of opening a potassium channel
    -opposite effect of opening a sodium channel
    -positive ions move out, not into the cell

          

  2. anatomy of a multipolar neuron

          

  3. passive forces - gradientsany synapse that releases ACh
    -all neuromuscular junctions with skeletal muscle fibers
    -many synapses in CNS
    -all neuron-to-neuron synapses in PNS
    -all neuromuscular and neuroglandular junctions of ANS parasymphathetic division

          

  4. RER and ribosomesproduce neurotransmitters (proteins)

          

  5. afferent division-increasing the negativity of the resting potential
    -result of opening a potassium channel
    -opposite effect of opening a sodium channel
    -positive ions move out, not into the cell

          

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