26 - Action Potential Flashcards
What is a membrane potential generally and how is it measured?
How is a membrane potential generated? How is it related to ion permeability?
Describe the Nernst equation and how it is used in membrane potentials.
What is the Goldman-Hodgkin-Katz Equation and what is it used for?
What is a general overview of an actual potential?
What is the resting stage?
What is depolarization and repolarization and how is it performed?
Describe sodium voltage gated channels.
Describe potassium voltage gated channels.
Describe the relationship between sodium and potassium voltage gated channels.
What is the refractory period?
What is the anatomy of a neuron? How does an action potential travel in a neuron?
Describe what propogation of an action potential across neurons involves.
Describe the concept of passive conductance.
Describe the anatomy of a myelinated nerve fiber. What purpose does a myelin sheath serve?
Describe the concept of saltatory conduction and how it applies to the efficiency of myelin sheaths.
What happens when a neuron becomes demyelinated? What are the consequences of such a thing?
A, C