Nervous system Prado
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| What lets muscles do something as related to the nervous system? | nerves activate effectors/motor output
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| The brain and spinal cord are what part of the nervous system? | Central Nervous system
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| The nerves that come off the spinal cord and brain are what part of the nervous system? | Peripheral Nervous System
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| Nerves that come off the brain to the face are what> | Cranial nerves
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| Nerves that come off the spine to other locations are what? | Spinal nerves
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| What is a individual nerve called? | Neuron
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| What cells make myelin, phagocytosis, make CSF, maintain ion balance, and are responsible for re-uptake of neurotransmitters? | Glial
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| What is the white fatty substance around the axon? | Myelin
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| What is the function of myelin? | protection, insulation, conduction of impulses
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| Sensory/Afferent neurons send messages where? | CNS
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| Motor/Efferent neurons send messages where? | CNS to PNS
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| Where do Efferent msgs end up? | Muscles
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| What is the function of a dendrite? | Grab message
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| what is the function of the Axon? | message "highway?
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| What neurons are entirely within the CNS | Interneurons
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| How long do neurons live? | Life
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| the Sodium potassium pump is what type of transport system? | Active
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| If the cell is "resting" the cell membrane is what? | Polarized (-)
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| If the resting membrane is reversed the cell is what? | Depolarized (+)
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| conduction of the action potential is called what? | propagation
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| The faster messages get sent on _____ axons. | myelinated
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| why are myelinated axons' messages faster? | Jumping in nodes of ranier
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| What is another term for myelinated propagation? | Saltatory
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| What role do the synaptic vesicles have? | Carry neurotransmitters to axon terminal
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| the neurotransmitters are released into the synaptic cleft when? | then the impulse arrives and the vesicle fuses with presynaptic membrane
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| What grabs the neurotransmitters after they are released? | dendrite or muscle/effector
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| Why won't every message cause a reaction? | Has to reach action potential
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| There are over 25 identified ______ molecules id in the nervous system | Neurotransmitter
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| what happens to neorotransmitters are theyre released by the presynaptic membrane? | some bind w/ postsynaptic membrane, some are re-uptaken by the glial cells
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| What is a cluster of cell bodies in the PNS? | Ganglia
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| What is a cluster of axons in pns? | Nerve
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| What is a cluster of cell bodies in the CNS? | Nuclei
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| What are clusters of axons in teh CNS? | Tracts
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| Cell bodies and small unmyslinated axons are what? | Grey matter
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| Mylinated axons, nerves/tracts are what? | White matter
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| What are bundles of nerve fibers called? | Fasicles
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| What is the layer of connective tissue surrounding an idividual axon? | endoneurium
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| What is the layer of connective tissue surrounding fasicles? | Perineurium
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| What is the layer of connective tissue surrounding a entire nerve? | Epineurium
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| The Meneges and CFS are CNS ____ structures. | Supportive
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| The three protective membranes around outer surfaces of brain and spinal cord are? | Dura mater, Arachnoid mater, and Pia Mater
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| where is the Epidural space in the meneges? | Btwn Bone and Dura mater
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| Where is the Sub dural space in the meneges?> | Btwn dura and arachnoid mater
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| Where is the sub arachnoid space in the meneges? | below the acrachnoid
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| Where is there no space in the meneges? | btwn Pia mater and brain for spinal cord
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| What is hydrocephalus? | to much CSF
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| What can cause to much CFS? | to much is made or blockage that effects reabsorbtion.
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| the four main regions of the brain are the Cerebrum, ____, brain stem, and cerebellum. | Diencephalon
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| Largest part of the the brain is what? | Cerebrum
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| corpus callosum is what type of matter? | white
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| cerebral cortex is what type of matter?> | Grey
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| cerebrum is primary _____ area and primary _____ area | motor, sensory
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| grey matter area of cerebrum controls what? | motor, and limbic (learning, memory)
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| Diencephalon includes the thalamus and the _____ | hypothalamus
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| hypothalamus controls _______functiions | homeostatic
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| thalamus is the _____ editor | sensory
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| Brain stem or |
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