Chapter 10:Topics 11-14

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Anonymous
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268039
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Chapter 10:Topics 11-14
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2014-03-26 08:33:26
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Chapter 10:Topics 11-14
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  1. Electrical voltage due to movement of ions across a membrane
    Nernst Equilibrium (NE)
  2. The NE for NA+ is:
    +60mv
  3. The NE for K+ is:
    -90mv
  4. For the Nernst to be reached there must be
    Unrestricted flow
  5. If the flow of an ion is _____, the membrane voltage will _____ _____ from its Nernst
    Reduced; go away
  6. If the flow of an ion is _______, the membrane voltage will ______  _______ its Nernst
    Increased; go towards
  7. Essential in maintaing the electrochemical gradient across the cell membrane
    Na/k Pump
  8. Na+
    Sodium; +60mv
  9. K+
    Potassium; -90mv
  10. Transports sodium ions out of the cell and potassium ions into the cell
    Na/K Pump
  11. Resting Potential (RMP) is:
    -70mv
  12. Threshold is:
    -55mv
  13. If the membrane becomes more negative than the resting potential then it is:
    Hyperpolarized
  14. If the membrane become more positive than it is:
    Hypopolarized
  15. If the threshold is reached, an ______ ______ results.
    Action Potential

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