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Regis NU643 Module 4(35 QUESTIONS AND ANSWERS).
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Regis NU643 Module 4(35 QUESTIONS AND ANSWERS).
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Regis: NU643Module 4(35
QUESTIONS AND
ANSWERS)
Positive Symptoms of Psychosis - answer "dramatic
symptoms" such as delusions, and hallucinations
Negative Symptoms of Psychosis - answer Symptoms that
mark the absence of features that would normally be
present, include alogia and avolition
Stress diathesis Model of schizophrenia - answer Genetic
biases combined with environmental stressors lead to the
development of schizophrenia
D2 Receptor - answer Dopamine receptor most commonly
targeted by antipsychotic medications.
Mesolimbic dopamine pathway - answer Originates is the
ventral tegmental area of the brainstem and terminates in
the nuclease accumbens of the ventral striatum.
, Mesolimbic dopamine pathway - answer Important for
motivation, pleasure and reward, as well as implicated in
positive symptoms of psychosis.
Mesocortical dopamine pathway - answer Hypoactivity of
this pathway is thought to be associated with negative
and cognitive symptoms of schizophrenia
Nigrostriatal dopamine pathway - answer Plays a key role
in regulating movements
Tuberoinfundibular dopamine pathway - answer Regulates
prolactin secretion.
Glutamate - answer The major excitatory neurotransmitter
in the central nervous system.
The NMDA receptor hypofunction hypothesis of
schizophrenia. - answer Neurodevelopmental
abnormalities in the formation of glutamate synapses
Long term potentiation (LTP) - answer "strengthening" of a
synapse through structural and functional changes,
making neurotransmission more efficient
D2 Receptor Antagonism - answer The primary mechanism
of action of conventional antipsychotics
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