Bio 256 2C

Card Set Information

Author:
souimet05
ID:
203310
Filename:
Bio 256 2C
Updated:
2013-02-25 13:52:47
Tags:
Bio 256 Exam
Folders:

Description:
2.11.13
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user souimet05 on FreezingBlue Flashcards. What would you like to do?


  1. What Cells have action potentials?
    All Cells
  2. Increased speed of transmission
    • increased diameter
    • insulation
  3. Where do voltage-gated channels exist on axons
    nodes of ranvier
  4. Saltatory conduction
    action potential jump node to node
  5. When is an excitatory postsynaptic potential (EPSP) created?
    When neurotransmitter is taken up by the postsynaptic neuron
  6. Removal of neurotransmitters occurs when they are:
    • Degraded by enzymes
    • reabsorbed by astrocytes or presynaptic terminals
  7. Larger synapse
    more vesicles diffusing and more receptors to receive neurotransmitter

    Physical size of the syapse relates to the "strength" of the synapse
  8. Catecholamines
    • Dopamine
    • norepinephrine
    • epinephrine
  9. Indolamines
    seotonin and histamine
  10. Serotonin
    • CNS
    • impacts emotions
  11. Dopamine
    • CNS
    • Effects motor and Emotional
  12. Excitatory neurotransmitters
    Cause Depolarizations
  13. Inhibitory neurotransmitters
    Cause hyperpolarizations

What would you like to do?

Home > Flashcards > Print Preview