BIOL 230 - Unit 5 - Central Nervous
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System EXAM QUESTIONS WITH |\ |\ |\ |\
ANSWERS
what part of the PNS carries information to the CNS and
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what part relays information from CNS to effector organs -
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CORRECT ANSWERS ✔✔afferent division - info to CNS
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efferent division - info from CNS
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what part of the PNS consists of fibres of motor neurons
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that innervate skeletal muscles - CORRECT ANSWERS
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✔✔somatic nervous system (SNS) |\ |\ |\
which part of the PNS consists of fibres that innervate
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smooth muscle, cardiac muscles, and glands - CORRECT
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ANSWERS ✔✔autonomic nervous system (ANS)
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what two parts of the ANS are responsible for "fight or
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flight" and "rest and digest" responses - CORRECT
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ANSWERS ✔✔sympathetic nervous system and
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parasympathetic nervous system |\ |\
,what are the three functional classes of neurons -
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CORRECT ANSWERS ✔✔afferent (sensory) |\ |\ |\
efferent (motor) |\
interneurons
which class of neurons relay sensory information from
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environment to CNS - CORRECT ANSWERS ✔✔afferent |\ |\ |\ |\ |\ |\ |\
neurons
where are cell bodies of afferent neurons located -
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CORRECT ANSWERS ✔✔outside the CNS |\ |\ |\ |\
what class of neurons relay info from CNS to effector
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organs - CORRECT ANSWERS ✔✔efferent neurons
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where are the cell bodies of efferent and interneurons
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located - CORRECT ANSWERS ✔✔in the CNS
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which type of neurons are only in the CNS and make up
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99% of all neurons, and where are they located -
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CORRECT ANSWERS ✔✔interneurons |\ |\
they are located between afferent and efferent neurons
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and integrate responses to peripheral information
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, which class of neurons are responsible for things
|\ |\ |\ |\ |\ |\ |\ |\
associated with the mind (thinking, emotions, memory, |\ |\ |\ |\ |\ |\ |\
etc) - CORRECT ANSWERS ✔✔interneurons
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what 4 structures protect the CNS - CORRECT ANSWERS
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✔✔cranium and vertebral column |\ |\ |\
meninges
CSF
blood-brain barrier |\
a supply of what two things is essential for brain function
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- CORRECT ANSWERS ✔✔oxygen and glucose
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what is a type of connective tissue that occupies most of
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the CNS and act as supports for the interneurons -
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CORRECT ANSWERS ✔✔glial cells |\ |\ |\
do glial cells initiate or conduct nerve impulses -
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CORRECT ANSWERS ✔✔no |\ |\
what are 3 functions of glial cells - CORRECT ANSWERS
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✔✔- serve as connective tissue in CNS and support
|\ |\ |\ |\ |\ |\ |\ |\ |\
neurons
|\ |\ |\ |\ |\ |\ |\ |\
System EXAM QUESTIONS WITH |\ |\ |\ |\
ANSWERS
what part of the PNS carries information to the CNS and
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
what part relays information from CNS to effector organs -
|\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔afferent division - info to CNS
|\ |\ |\ |\ |\ |\ |\ |\
efferent division - info from CNS
|\ |\ |\ |\ |\
what part of the PNS consists of fibres of motor neurons
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
that innervate skeletal muscles - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\
✔✔somatic nervous system (SNS) |\ |\ |\
which part of the PNS consists of fibres that innervate
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
smooth muscle, cardiac muscles, and glands - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔autonomic nervous system (ANS)
|\ |\ |\ |\
what two parts of the ANS are responsible for "fight or
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
flight" and "rest and digest" responses - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔sympathetic nervous system and
|\ |\ |\ |\ |\
parasympathetic nervous system |\ |\
,what are the three functional classes of neurons -
|\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔afferent (sensory) |\ |\ |\
efferent (motor) |\
interneurons
which class of neurons relay sensory information from
|\ |\ |\ |\ |\ |\ |\ |\
environment to CNS - CORRECT ANSWERS ✔✔afferent |\ |\ |\ |\ |\ |\ |\
neurons
where are cell bodies of afferent neurons located -
|\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔outside the CNS |\ |\ |\ |\
what class of neurons relay info from CNS to effector
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
organs - CORRECT ANSWERS ✔✔efferent neurons
|\ |\ |\ |\ |\
where are the cell bodies of efferent and interneurons
|\ |\ |\ |\ |\ |\ |\ |\ |\
located - CORRECT ANSWERS ✔✔in the CNS
|\ |\ |\ |\ |\ |\
which type of neurons are only in the CNS and make up
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
99% of all neurons, and where are they located -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔interneurons |\ |\
they are located between afferent and efferent neurons
|\ |\ |\ |\ |\ |\ |\ |\
and integrate responses to peripheral information
|\ |\ |\ |\ |\
, which class of neurons are responsible for things
|\ |\ |\ |\ |\ |\ |\ |\
associated with the mind (thinking, emotions, memory, |\ |\ |\ |\ |\ |\ |\
etc) - CORRECT ANSWERS ✔✔interneurons
|\ |\ |\ |\
what 4 structures protect the CNS - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔cranium and vertebral column |\ |\ |\
meninges
CSF
blood-brain barrier |\
a supply of what two things is essential for brain function
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
- CORRECT ANSWERS ✔✔oxygen and glucose
|\ |\ |\ |\ |\ |\
what is a type of connective tissue that occupies most of
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
the CNS and act as supports for the interneurons -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔glial cells |\ |\ |\
do glial cells initiate or conduct nerve impulses -
|\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔no |\ |\
what are 3 functions of glial cells - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔- serve as connective tissue in CNS and support
|\ |\ |\ |\ |\ |\ |\ |\ |\
neurons
