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Flavin AP106 CNS 19
Ch 10 Nervous System 2019
| Question | Answer |
|---|---|
| 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 |