Nervous System TEST Review What is th .on f t PNS? / J#. / //r 4 _ 9

Nervous System TEST Review
Fundamentals of the nervous system and nervous tissue:
What does the centralnervous system consist of? ÿÿ/ÿd ÿ ÿÿ &/'ÿ
What is thÿ.onÿfÿtÿPNS? ÿ/ÿ J#.ÿ/ÿ//rÿ4ÿ_ÿ ÿ9 ÿL/ÿ ÿ- ÿ ÿÿ_ÿ
InformatiJnÿ'carried from the CNS to a musde by? ÿ'4.ÿ.$ÿL fldÿ/ÿ-ÿ
What does the autonomic nervous system, control?dÿÿ ÿ ÿ cÿ-0--- ÿJ--K3ÿJ'Uÿ "
Which type of sensory fiber conveys impÿesfÿoÿ-'visceral organs to the CNS? ÿ/ÿÿ dÿ_dÿxÿ
What is the junction of a neuron with another neuron called? ÿÿ.tÿ/ÿ@ ÿ
Which neurons transmit messages from the environment to the spinal cord or brain?ÿoÿ ÿ
Understand the difference between sensory input, integration, motor output°
What are nodes and why are ,ey importance in term. s of an impulse? ÿ ÿ ÿIÿ ÿ ÿ
What is the function of the myelin sheath?
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. ÿIow does the myelin sheaVth,affect imp,ulsÿconÿti^on?t3 - "3rÿ. "ÿ.ÿ ÿÿ x. ÿJ-ÿtlÿ
- ÿhat are the differences betÿy, een supporting ceils and neurons? ÿkÿO£ÿ/'ÿO, ÿ ÿ0-ÿ-ÿ3ÿ-ÿ
What arÿ short slender input channels that extend from one end of a neuron's body? O@ÿ:r'x
These are chemicals released in the synapse. (ÿKÿDÿÿOÿ'ÿ.ÿ-%
What is the function of neurotransmitters? 0.XI$'('ÿÿ.ÿ0ÿ LÿS@ÿ ÿLÿÿÿ-'ÿ
From where are neurotransmitters released? ÿÿÿ.ÿ)ÿ ÿ- (ÿ!2ÿIX
How do impulses travel down the axon? ÿ0ÿ)ÿ;2ÿO Sÿk-ÿ Qÿ ÿ'XÿNÿ9 ÿ'OUÿ.ÿ
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What is an action potential?,- ÿ ÿ- ÿ- ÿ.ÿLÿhÿ:ÿ.ÿLÿDÿ.,ÿO-ÿ ÿ--ÿ
Movement of which ion into a'cell is primarily responsible for action potential? ÿ0ÿÿ
Diseases/Disorders (two questions on each)
Amyotrophis Lateral Sclerosis, Multiple Sclerosis, Spina bifida
Know the defining characteristics about each. Who is affected? Age group? Genetic? How is the brain or
spinal cord affected? Signs and symptoms? Treatment?
Cranial and Spinal Nerves
How many pairs of cranial nerves are there? \ /
How many pairs of spinal nerves? ÿ 1
Which cranial nerve extends to the thoracic and abdominal cavities? ÿf6I.ÿ.)_ÿ ÿ \ÿ)
Cranial nerve III is known asthe ÿ0)ÿ9ÿ ÿ)(" and is responsible for what? ÿ l'g-OOÿ
Which is the largest nerve in the body?
What nerve plexus does the nerve above belong to? ÿ0_ÿ0ÿ
Spinal nerves each divide to form two structures called a dorsal and ventral
At which vertebra does the spinal cord terminate? b
List the order (by spinal group) in which spinal nerves exist the spinal cord, going fxom superior to inferior.
Diagrams: neuron, synapse
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