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Flavin AP106 CNS 19

Ch 10 Nervous System 2019

CNS Central Nervous System
PNS Peripheral Nervous System
ANS Autonomic Nervous System
Neurons consist of 3 parts they are: Cell body of neuron, Dendrites, & Axon
Sensory neurons transmit impulses _____the sensory neurons. *TOward the brain* TO
Motor neurons transmit impulses ____ from the brain and spinal cord. AWAY
Sensory neurons are aka as: afferent neurons
Motor neurons are aka as: efferent neurons
Three main types of connective tissue cells of the CNS are: Astrocytes, Microglia, & Oligodendrocytes
Is it true that the glia cells hold the functioning neurons together, protect them, and regulate neuron function? Yes this is true
Multiple Sclerosis (MS) is: characterized by myelin loss in central nerve fibers and results in conduction impairments.
Those with MS are believed to have contracted it via: autoimmune disorder or viral (Montel Williams has this)
A __________ is the simplest type of neuron pathway. Reflex arc
The neural pathway involved in the patellar reflex is aka: "knee jerk"
Nerve impulse definition is: A wave of electrical disturbances that travel along the surface of a neuron membrane; often called the action potentials.
Synapse definition is: Where the impulses are transmitted from one neuron to another.
The 3 structures of the synapse are: Synaptic knob, synaptic cleft, and plasma membrane
Examples of neurotransmitters are: norepinephrine, dopamine, and serotonin
Neurotransmitters are: chemicals by which neurons communicate. There are 30 different compounds that have been identified.
Catecholamines play a role in: Sleep, motor function, mood and pleasure recognition.
_______________ is a morphine like neurotransmitter, a natural painkiller. Endorphins
Serotonin-uptake intion causes an increase in the amt. of serotonin in the synapse when a ____ is taken. Antidepressant
Created by: Iteach4Docs



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