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Week 7 Study notes
Some information to keep mind.
| Term | Definition |
|---|---|
| What is the brief period in which a local area of an axon's membrane resists re-stimulation called? | Refractory Period |
| What needs to be surpassed in order for voltage-gated Na+ channels to open? | Threshold Potential |
| What is the movement of the membrane potential away from zero called? | Hyperpolarization |
| What is Temporal Summation? | When neurotransmitters from a synaptic knobs stimulate a postsynaptic neuron in rapid succession, their effect can add up over a brief period to produce an action potential. |
| What controls the rate at which sodium and potassium is transported? | Sodium-Potassium Pump |
| What is Salatory Conduction? | The action potential "leaping" from node to node along a myelinated fiber |
| What is the charge inside of a neuron? | Negative |
| Which neuron can transmit a nerve impulse the fastest? | A large-diameter neuron with myelin |
| What is the fastest rate at which impulses are conducted? | 130m per second |
| 3 examples of catecholamines | Dopamine - Epinephrine - Norepinephrine |
Created by:
nparagas
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