KNOWLEDGE PRACTICE EXAM WITH Q&A
NEWLY MODIFIED!!!
reticular formation -- ANSWER--controls mood, arousal, sleep; major
source of serotonin and norepinephrine
thalamus -- ANSWER--controls sensation, memory, states of
consciousness; receives sensory input from most systems
basal ganglia -- ANSWER--voluntary movement; degeneration in
Parkinson's, also involved in OCD and ADHD
hypothalamus -- ANSWER--involved w/ motivation and homeostasis;
regulates temperature, hunger thirst; directs ANS and endocrine
system
hippocampus -- ANSWER--formation of long term memories
cingulate cortex -- ANSWER--directs ANS; plays role in decision
making, emotion, anticipation of reward, empathy
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,amygdala -- ANSWER--fear and aggression
nucleus accumbens -- ANSWER--reward and pleasure
corpus callosum -- ANSWER--connects hemispheres
cerebral cortex -- ANSWER--thin layer of gray matter covering
cerebral hemispheres
endocrine system -- ANSWER--responsible for release of hormones
into bloodstream; responses to input from hypothalamus
pineal gland -- ANSWER--releases melatonin; maintenance of sleep-
wake cycles
pituitary gland -- ANSWER--master gland; stimulates activity of
other glands
main parts of the neuron -- ANSWER--soma (cell body), axons
(transmit info), dendrites (receive info)
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,glial cells -- ANSWER--provide structural matrix, clean up debris,
form bloodbrain barrier
myelin -- ANSWER--insulating material covering axons; increase
conduction glial cells -- ANSWER--cells that form scar tissue in the
brain and spinal cord
young adulthood -- ANSWER--The prefrontal cortex in myelinated in
action potential -- ANSWER--electrical signal arising in a neurons
axon
resting potential -- ANSWER--electrical charge across membrane
when neuron is not firing
action -- ANSWER--The _________ potential is initiated when the
membrane is depolarized to threshold
frontal lobe -- ANSWER--primary motor cortex and areas responsible
for most complex cognitive processes
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, Broca's area -- ANSWER--speech production in left hemisphere
prefrontal cortex -- ANSWER--planning behavior, attention, and
judgement
orbitofrontal cortex -- ANSWER--emotion, impulse control
occipital lobe -- ANSWER--primary visual cortex
temporal lobe -- ANSWER--primary auditory cortex
parietal lobe -- ANSWER--primary somatosensory cortex (involved
in neglect syndrome)
lateralization -- ANSWER--localization of function in one of the
hemispheres (Ex: language lateralized in the left hemisphere)
Peripheral Nervous System -- ANSWER--nerves and ganglia outside
the CNS; contains somatic and autonomic nervous systems
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