Nervous System Review Amanda
Terms
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- What part of the neuron receives information and always travels towards the cell boby?
- Dendrites.
- What carries the impulse to other neurons or to effectors?
- Axon.
- What is the protective membrane that helps in re-generation of a neuron?
- Neurilemma.
- What should all pathways include?
-
Reception
Transmittion
Processing - What is the All or None Theory?
- The neuron either responds fully or not at all.
- What is the Threshold Stimuli?
- The minium level of stimulus required to start an action potential.
- What is the resting state?
- Its set up by a Na and K pump. CAuse high concentration of Na outside and K inside.
- What is happening when the neuron is stimulated enough to cause NA gates to open?
- Depolarization.
- What does CNS stand for?
- Cental Nervous System.
- What is summation?
- The sum effects of all neurrotransmitters acting on a neuron.