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Why are fewer action potentials recorded at R2 when TTX is aaplied between R1 and R2?
Wiki User
∙ 10y ago
TTX will block the response at R1 but have no effect at R2
Wiki User
∙ 10y ago
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What is the action of removing the insulation from wire?
The action of removing insulation for a wire is called stripping.
What is the name principle of 3 phase induction motor?
Transformer action. There is no electrical connection between the stator and the rotor, and voltages get induced into the rotor bars when they are swept by lines of magnetic flux created by the stator windings.
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Difference between sensor and Acatuars?
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What is the time between the action potentials?
Called an interspike interval
Do action potentials become weaker with distance?
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What do intercalated discs transfer from cell to cell?
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What are Motor unit action potentials?
Spikes of electrical activity recorded during an EMG that reflect the number of motor units activated when the patient voluntarily contracts a muscle
How does an action potential differ from a graded potential?
Action potentials also known as spikes, differ from graded potentials in that they do not diminish in strength as they travel through the neuron.
Communication in the nervous system depends on?
action potentials
Does nervous tissue generate action potentials?
Yes.
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initial segment
A nerve impulse consists of a wave of?
Action Potentials
Can action potentials be summated?
no but generator potential can be summated
What do resting and action potentials depend on?
The resting and action potentials depend on the balance of charges of the area outside the neuron and inside the neuron. A resting potential is when the neuron is more negatively (approximately -70mv) charged than the area outside the neuron. The action potential occurs when sodium ions rush into the neuron, causing the polarity to be reversed. When there is no difference in charge between the area inside the neuron and the area outside the neuron, no action potentials can be started by that neuron.
Why do not action potentials occur during the repolarization phase?
It has to do with what types of channels are open during this phase. In the repolarization phase the number of potassium channels are increased and the number of sodium channels are decreased. This allows for action potentials to not occur. Otherwise, the action potentials would add up and produce tetany.
