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Neurphysiology

practice for EEG registry

QuestionAnswer
Action potentials develop in the nerve and muscle fibers in a response to depolarization
What electrophysiological events are thought to generate EEG? both excitatory postsynaptic potentials (EPSPs) and inhibitory postsynaptic potentials (IPSPs)
What is the approximate resting membrane potential of a neuron? -70 mV
When a nerve is stimulated, the electrical potential changes inside the nerve changes from Negative to positive
Cells in which an action potential can be triggered are considered excitable
A neuron depolarizes only when excitatory influences reach a threshold
The chemical structure of a neuron is dependent upon what three ions? sodium (Na), potassium (K) and chloride (Cl)
What ion is found predominantly in extracellular fluid during the resting state of a neuron? Sodium (Na)
What ion is found predominantly in the intracellular fluid during the resting state of a neuron potassium (k)
Created by: moeegtech