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biology 2114

nerves

QuestionAnswer
The autonomic nervous system consists of the sympathetic and parasympathetic nervous systems.
A neuron that transmits a nerve impulse toward the central nervous system is called a sensory neuron.
The largest and most numerous type(s) of neuroglia is/are the: astrocytes.
Functions of the CNS... Integrating sensory information, evaluating the information, and Initiating an outgoing response.
The part of the nervous system that transmits impulses from the CNS to the skeletal muscle is the: Somatic nervous system
The myelin sheath is formed by: Schwann cells
A neuron that has only one axon but several dendrites is classified as a: multipolar neuron
Sensory neurons are usually: unipolar
Fascicles are held together by a connective tissue layer called the: perineurium
Gray matter in the brain and spinal cord consists primarily of: cell bodies
The white matter of the nervous system is made up of: myelinated fibers
__________ cannot cross the blood-brain barrier. Dopamine
The only ion(s) that can diffuse across a neuron's membrane when the neuron is at rest is/are? potassium
The fastest nerve fibers in the body can conduct impulses up to approximately: 130 meters per second
A synapse consists of: a synaptic knob, a synaptic cleft, the plasma membrane of a postsynaptic neuron.
A synaptic knob would be located on an axon
When an impulse reaches a synapse chemical transmitters are released.
____________ are not one of the main chemical classes of neurotransmitters. Triglycerides
Seratonin is an example of an amine neurotransmitter
The neurotransmitters in the brain that affect learning, motor control, and emotions are: amino acids
Created by: Tamara Vines
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