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| Frage | Antworten |
| Electroneurogram (ENG) | Compound bio-potential registered from a peripheral nerve, i.e the sum action of action potentials from the nerve fibers, which the nerve contains. |
| Rheobase (R) | The threshold value at which the graphic dependence between its intensity and the duration needed to elicit response forms a line parallel to the abscissa. At this minimal threshold value the response does not depend on the duration of stimulation |
| Utilization time (Tn) | The minimum duration of an electric threshold stimulus just sufficient to excite the membrane. |
| Chronaxie (Cr) | The minimum interval of time necessary for a stimulus with an intensity of two rheobases (2R), to act in order to excite a nerve/muscle/ |
| Lability | The maximum number of stimuli, which a given excitable system can receive and transmit unchanged per unit of time. - Lability is inversely proportional to the refractory period and defines the re-activity of an excitable system regarding multiply impulses. |
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