Advanced Neuroscience Exam 1 || || || ||
questions with correct answers || || || ||
astrocytes - CORRECT ANSWER(S)✔✔provide physical support, clean up
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debris (phagocytosis), regulate chemicals
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form scar tissue|| ||
oligodendrocytes - CORRECT ANSWER(S)✔✔produce myelin sheath || || || || ||
a small portion of uncoated axon between the segments of myelin sheath -
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nodes of Ranvier || ||
Golgi apparatus - CORRECT ANSWER(S)✔✔creates vesicle to package NTs
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lysosome - CORRECT ANSWER(S)✔✔small sacs containing enzymes to
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break down waste products
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Schwaan cells - CORRECT ANSWER(S)✔✔supporting cells of PNS
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do all functions that glial cells do in CNS
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1 = 1 segment of myelin for 1 axon
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Act as guides for regrowth of the axons after injury
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blood-brain barrier - CORRECT ANSWER(S)✔✔A mechanism that prevents
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certain molecule from entering the brain but allows others to cross
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, 2
area postrema - CORRECT ANSWER(S)✔✔more permeable part of the blood-
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brain barrier ||
control vomiting ||
globus pallidus - CORRECT ANSWER(S)✔✔one of the basal ganglia
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exocytosis - CORRECT ANSWER(S)✔✔AP arrives at terminal button
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Ca channels open
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Ca ions flow in
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Ca ions bind with cluster of protein that join the membrane of the synaptic
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vesicle with the presynaptic membrane
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Segments of the cluster of protein more apart producing an opening
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NT is released
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basal ganglia - CORRECT ANSWER(S)✔✔structures in the forebrain that
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help to control movement
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caudate
putamen
globus pallidus ||
nucleus accumbens ||
hypothalamus - CORRECT ANSWER(S)✔✔regulates release of hormone by || || || || || || || ||
pituitary gland ||
, 2
tectum - CORRECT ANSWER(S)✔✔superior & inferior colliculi
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tegmentum - CORRECT ANSWER(S)✔✔surround cerebral aqueduct
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red nucleus||
substantia nigra ||
ventral tegmental area || ||
red nucleus - CORRECT ANSWER(S)✔✔a brainstem structure related to
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motor control ||
substantia nigra - CORRECT ANSWER(S)✔✔midbrain structure where
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dopamine is produced; involved in control of movement
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(-) Parkinson's
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(+) Schizophrenia
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ventral tegmental area - CORRECT ANSWER(S)✔✔stimulates amygdala for
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pleasure and reward center || || ||
reticular formation - CORRECT ANSWER(S)✔✔neural tissue in the center of
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brainstem
from medulla to midbrain
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a nerve network in the brainstem that plays an important role in controlling
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arousal