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44 Cards in this Set

  • Front
  • Back
What are the three basic functions of the nervous system?
1. sensory integration
2. integration
3. motor output
What is sensory input?
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
What function of the nervous system is best described:

" monitors changes inside and outside the body "
sensory input
What function of the nervous system is best described:

" information gathering by sensory receptors about internal and external changes "
sensory input
What is integration?
a function of the nervous system involved in:
- processing and interpreting sensory input, usually in the brain
What function of the nervous system is best described:

" processing and interpreting sensory input, usually in the brain "
integration
What is motor output?
- activating effector organs (muscles and glands) produces a response
In motor output, __________ are activated to produce a response
effector organs (muscles and glands)
What are effector organs?
muscles and glands
What function of the nervous system is best described:

" activating effector organs (muscles and glands) to produce a response "
motor output
The brain and the spinal cord makeup the ________ nervous system.
central
The ________ nervous system is the integration and command center
central
The __________ nervous system is the portion of the nervous system outside of the CNS.
peripheral
The spinal and cranial nerves are part of the _________ system
peripheral
What is the function of the spinal and cranial nerves?
They carry messages to and from the CNS
The two major divisions of the nervous system are the ___________ and the ____________
central ; peripheral
What are the two functional divisions of the peripheral nervous system?
sensory (afferent) and motor (efferent)
The sensory and motor divisions are part of the _________ nervous system
peripheral
another term for sensory is ________
afferent
another term for motor is __________
efferent
" Nerve fibers carry information to central nervous system from sensory receptors throughout the body " describes what division of the peripheral nervous system?
sensory (afferent)
In sensory (afferent) divisions, nerve fibers carry information from _____________ to _____________
sensory receptors ; central nervous system
" Nerve fibers carry information from CNS to effector organs " describes what division of the peripheral nervous system?
motor (efferent)
In motor (efferent) divisions, nerve fibers carry information from __________ to _________
central nervous system; effector organs
Sensory (afferent) and motor (efferent) are _______ divisions of the peripheral nervous system
functional
The ________ is further divided into the somatic and autonomic nervous systems.
motor division
What are the two components of the motor division?
somatic and autonomic
" Involved in conscious control of skeletal muscles " describes ________.
somatic nervous system
Another term for somatic is ________
voluntary
Another term for voluntary is ________
somatic
Another term for involuntary is ________
autonomic
Another term for autonomic is _________
involuntary
" Nerve fibers regulate smooth muscle, cardiac muscle, and glands " describes __________-
autonomic (involuntary) nervous system
What are the two functional divisions of autonomic nervous system?
sympathethic and parasympathethic
The sympathethic and paraysmpathethic divisions are subsets of the _________ nervous system
autonomic
What are the two principal cell types?
neurons and neuroglia
" excitable cells that transmit electrical signals " describe what term?
neurons/nerve cells
Another term for nerve cell is ________
neuron
The ________ are supporting cells that wrap around neurons
neuroglia
What are neuroglia?
supporting cells that wrap around neurons
Astrocytes are examples of neuroglia in the ________
CNS
Microglia are examples of neuroglia in the _________
CNS
Ependymal cells are examples of neuroglia in the ________
CNS
Oligodendrocytes are examples of neuroglia in the ________
CNS