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9 Cards in this Set

  • Front
  • Back
The soma is the main site of ________ in the neuron.
Integration.
How do neurons communicate with one another?
Chemical signals.
How is an action potential propagated throughout a single neuron?
Chemical signals.
Which is analogous to an electrical capacitor in a cell membrane?
Lipid bilayer.
At rest, a cell’s membrane potential is
Negative on the inside of the cell.
What is the major determinant of the potential of a membrane in a standard electrolytic medium?
Selective permeability of different ions across the membrane
What is an equilibrium potential?
The membrane potential at which a solute will be at equilibrium. For each ion, the equilibrium (or reversal) potential is the membrane potential where the net flow through any open channels is 0.
If the equilibrium potential for K+ is -58 mV, which is true of K+ at a membrane potential of 0 mV? (assume that the membrane is permeable to K+)
K+ should diffuse out of the cell
If the equilibrium potential for Cl- is -58 mV, which is true of Cl- at a membrane potential of 0 mV?
j