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Nervous System Cells

Nervous System Cells. Study Stack Set 2

QuestionAnswer
Nerves that originate from the brain are called ____ Nerves. Cranial
What regions of the neuron direct electrical currents toward the cell body? Dendrite
What is the site of communication between neurons? Synapse
Chemical signals diffuse between neurons at this location Synapse
The _______ of a presynaptic neuron associates with the dendrite of a postsynaptic neuron. Axon terminal
The structural and functional center of the entire nervous system is the _______ nervous system. Central
The somatic nervous system carries information to the skeletal muscles
What structure of the Schwann cell is essential to normal nerve growth and the regeneration of injured nerve fibers? Neurilemma
Neurons have... very limited capacity to repair themselves.
This tends to the longest cytoplasmic projection from a neuron. Axon
Which of the following is not a structural classification of neurons? Polar
The glia cells that help form the blood brain barrier are the astrocytes.
A signal conduction route to and from the central nervous system is a reflex arc
Bundles of myelinated fibers make up the white matter of the nervous system
The efferent pathways of the autonomic nervous system (ans) can be divided into what 2 divisions? Parasympathetic and sympathetic divisions
Which of these glia cells are located in the peripheral nervous system? Schwann cells
The ______ of a neuron is a single process that extends from a tapered portion of the cell body. Axon
Most Unipolar neurons are usually: sensory neurons
Along a neuron, the correct pathway for impulse conduction is: dendrite, cell body, and axon.
Which is true of a reflex arc? it always consists of an afferent neuron and efferent neuron
Nerves that contain mostly afferent fibers are referred to as, ______ nerves Sensory
Created by: anamk03
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