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44 Cards in this Set
- Front
- Back
What are the three basic functions of the nervous system?
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1. sensory integration
2. integration 3. motor output |
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What is sensory input?
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A function of the nervous system involved in:
- monitoring changes inside and outside the body - information gathering by sensory receptors about internal and external changes |
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What function of the nervous system is best described:
" monitors changes inside and outside the body " |
sensory input
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What function of the nervous system is best described:
" information gathering by sensory receptors about internal and external changes " |
sensory input
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What is integration?
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a function of the nervous system involved in:
- processing and interpreting sensory input, usually in the brain |
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What function of the nervous system is best described:
" processing and interpreting sensory input, usually in the brain " |
integration
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What is motor output?
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- activating effector organs (muscles and glands) produces a response
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In motor output, __________ are activated to produce a response
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effector organs (muscles and glands)
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What are effector organs?
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muscles and glands
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What function of the nervous system is best described:
" activating effector organs (muscles and glands) to produce a response " |
motor output
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The brain and the spinal cord makeup the ________ nervous system.
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central
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The ________ nervous system is the integration and command center
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central
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The __________ nervous system is the portion of the nervous system outside of the CNS.
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peripheral
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The spinal and cranial nerves are part of the _________ system
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peripheral
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What is the function of the spinal and cranial nerves?
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They carry messages to and from the CNS
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The two major divisions of the nervous system are the ___________ and the ____________
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central ; peripheral
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What are the two functional divisions of the peripheral nervous system?
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sensory (afferent) and motor (efferent)
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The sensory and motor divisions are part of the _________ nervous system
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peripheral
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another term for sensory is ________
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afferent
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another term for motor is __________
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efferent
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" Nerve fibers carry information to central nervous system from sensory receptors throughout the body " describes what division of the peripheral nervous system?
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sensory (afferent)
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In sensory (afferent) divisions, nerve fibers carry information from _____________ to _____________
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sensory receptors ; central nervous system
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" Nerve fibers carry information from CNS to effector organs " describes what division of the peripheral nervous system?
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motor (efferent)
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In motor (efferent) divisions, nerve fibers carry information from __________ to _________
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central nervous system; effector organs
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Sensory (afferent) and motor (efferent) are _______ divisions of the peripheral nervous system
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functional
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The ________ is further divided into the somatic and autonomic nervous systems.
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motor division
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What are the two components of the motor division?
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somatic and autonomic
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" Involved in conscious control of skeletal muscles " describes ________.
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somatic nervous system
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Another term for somatic is ________
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voluntary
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Another term for voluntary is ________
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somatic
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Another term for involuntary is ________
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autonomic
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Another term for autonomic is _________
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involuntary
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" Nerve fibers regulate smooth muscle, cardiac muscle, and glands " describes __________-
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autonomic (involuntary) nervous system
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What are the two functional divisions of autonomic nervous system?
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sympathethic and parasympathethic
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The sympathethic and paraysmpathethic divisions are subsets of the _________ nervous system
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autonomic
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What are the two principal cell types?
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neurons and neuroglia
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" excitable cells that transmit electrical signals " describe what term?
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neurons/nerve cells
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Another term for nerve cell is ________
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neuron
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The ________ are supporting cells that wrap around neurons
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neuroglia
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What are neuroglia?
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supporting cells that wrap around neurons
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Astrocytes are examples of neuroglia in the ________
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CNS
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Microglia are examples of neuroglia in the _________
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CNS
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Ependymal cells are examples of neuroglia in the ________
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CNS
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Oligodendrocytes are examples of neuroglia in the ________
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CNS
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