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Central Nervous System Review
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The diencephalon is located on the ________________________ surface of the cerebrum.
ventral
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Relaying information from the cerebrum to cerebellum is a function of the:
pons
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Is the cerebellum part of the brain stem?
No
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Which structure would be most active if you were in a hot, dry desert without water?
Diencephalon (hypothalamus)
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All of the structures of the CNS originate from the
Neural tube
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In adult humans, what percentage of the body’s neural tissue does the brain contain?
97%
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Brain region where the corticospinal tracts cross the midline to the opposite side of the body.
Medulla oblongata
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The medulla oblongata and the pons are structures in the CNS or PNS?
Central Nervous System
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The primary brain vesicles in which the neural tube is divided into are:
Prosencephalon - Mesencephalon - Rhombencephalon
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Brain region that controls visual reflexes that coordinate head and eye movements when we follow a moving object.
midbrain
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Are cranial nerves part of the brain?
No
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Which are the components of the PNS?
Cranial nerves, Spinal nerves, Ganglia
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Why is the cerebral cortex known as gray matter?
Because it contains unmyelinated neuron cell bodies.
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Which area regulates sleep, food intake, and endocrine (hormone) functions?
Diencephalon
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In which type of neurons do impulses move fastest?
myelinated neurons
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To which primary brain vesicle is the medulla oblongata a part of?
rhombencephalon
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Which brain region regulates blood pressure, breathing, and swallowing, acting as an autonomic reflex center of the brain?
Medulla oblongata
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