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Nervous

nervous system

QuestionAnswer
What is the purpose of the neuroglia cell to structurally and functionally support the neurons
what are examples of the CNS astrocyte and oligondendrocytes
Examples is PNS Schwann cells`
Synaptic Transmission? the impulse
Synapse junction between 2 neurons or a neuron and target cell
telodendron branched structure on presynaptic neurons
synaptic cleft gap between the two cells
neurotransmitter chemical stimulates and bridges the synaptic cleft
Presynaptic neurons depolarization wave to the synapse and releasing the chemical to stimulate the cell
postsynaptic neurons neuron that contains the receptor and receives the neurotransmitter
Terminal/synaptic end bulb slightly enlarged bulb that contains many mitochondria that provides energy to the proccesses
receptors specialized proteins on a posy synaptic membrane "lock and key"
Primary neurotransmitter of sympathetic nervous system norepinephrine
Adrenergic neurons neurons that release norepinephrine
Primary neurotransmitter of parasympathetic Acetylcholine
cholinergic neurons neurons that release acetylcholine
nicotinic acetylcholine recptors located at the neromuscular junction
muscarinic acteylcholine recptors target organs
how many neuroglia cells per neuron 10:1
parts of the neurons dendrites, cell body, axon, nodes of ranvier, telodendron
neuron function not stimulating is the resting state
Polarization negative inside and positive outside
depolarization stimulated impules from an adjoining neuron .
telodendron branched structure on presynaptic neuron
what are the 2 classifications of nerotransmitters exciting neurotransmitters(depolarization of the membrane) and inhibatory neurotransmitters(hyperpolarization)
Vessels(alpha1) adrenergic receptors, vasoconstriction of the skin,GI tract and kidney
Heart(beta1) adrenergic receptors increase heart rate and force of constriction
bronchioles (beta2) adrenergic receptors cause bronchodialation
catecholamines norepinephrine, epinephrine, and dopamine
GABA found in the brain , helps tranquilization w/sedation
Glycine found in the spinal cord
Created by: kanthonyeacc
Popular Paramedic/EMT sets

 

 



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